Third date ideas: what a third date is for, and the rule people quote

Updated October 5, 2026 · 13 min read

Two dates showed that you like each other's company; a third date is where you start seeing what the other person plans, rather than what they agree to. We sort 17 ideas by what they show that two dates could not, trace the "third date rule" and keep surveys of what people should do apart from what they did.

The ideas table lists 17 ideas and what each can show. Formats sorted by pressure, cost and how easy it is to leave are on second date ideas.

What a third date is for

Our view: two dates showed that you like each other’s company, and the third shows what the other person does with that. On the first two, one person usually suggests and the other agrees. By the third, both of you have said yes twice, so the plan itself starts to carry information: who makes it, how far ahead, and how much of their own life is in it.

Our arithmetic, counting two dates of two to three hours each: four to six hours together before the third, a little under a flight from New York to London. That is enough to know you enjoy someone’s company. It is usually not enough to have seen them tired, hungry or running late.

None of the studies on this page followed anyone on a third date, so treat them as background. The nearest is ReCAST, a 2018 study in which more than 800 people reconstructed past relationships from the moment they met. Romantic interest rose at the same rate early on in relationships that turned out short and in ones that turned out long, and the paths diverged only weeks or months in (Eastwick et al., 2018). It rests on people’s memories of their own relationships (UC Davis, 2018).

The pages that rank for third date ideas mostly skip the question of purpose. Eleanor’s Dish (Eleanor Henry, July 2, 2026) sorts its 35 ideas into five moods and cites no research, and the other ranking pages we read treat the third date as a milestone without saying what it decides.

Third date ideas, sorted by what two dates could not show

Good third date ideas, by our sorting, show something the first two dates could not. The 17 below are ours, grouped by who plans and where. The last column is how much the plan assumes about where this is going: low would work with someone you met last week, high involves a home, friends or a whole day.

The errands row is the least romantic idea on the page and possibly the most informative. Handing over the planning works the same way: it shows whether they plan at all, and someone who answers “anything’s fine” twice has told you something, possibly that they are easy to please. For the friends row, our rule of thumb is only if they offer.

The home rows are the ones we expect to be misread, going by one thread. In a thread on Mumsnet, a British parenting forum, started January 9, 2025 and running to about 46 replies, the poster’s date kept proposing their own place for date three; replies split between reading it as a bid for sex and taking it as someone who wanted to cook (Mumsnet, 2025). Our view: whoever suggests a home date names the evening, so the other person can say yes to exactly that. One of ours, not tested at scale: “Dinner at my place, and I’ll walk you to the train at ten.”

Prices vary by city, and our date cost calculator does the sums for the dinner and ticket rows.

The third date rule: what it means and where it came from

The third date rule is the convention that a new couple has sex by the third date, or not before it. People quote it both ways, as a deadline and as a waiting period.

We found no source that names who started it. Lawrence Siegel, a clinical sexologist, told HuffPost in 2022 that the rule “emerged sometime in the late 1980s or early 1990s”, which is his estimate, and added: “The three-date rule is one of those things that people love to quote but nobody can ever cite” (HuffPost, 2022). Mia Levitin, author of The Future of Seduction, told InsideHook in 2021 that it “was firmly in play in New York before Sex and the City popularized it” (InsideHook, 2021).

The earliest dated appearance we found is that show. In “Secret Sex”, the sixth episode of the first season, aired July 12, 1998, Charlotte rules out the first date, “Third date?” is offered as a compromise, and Charlotte answers “too soon” (InsideHook, 2021, names the episode). The scene usually credited with spreading the rule turns it down.

The book often blamed for it asked for longer. InsideHook writes that The Rules (Fein & Schneider, 1995) “never officially sanctions the third date as a sexual green light” and suggests its readers “wait a month or two” (InsideHook, 2021).

A second, unrelated “3 date rule” about assessing a partner now competes for the name. The 3-3-3 rule, whose versions disagree, shares the number with both, and we found nothing else it shares with either.

A third date is not an agreement to anything. Consent and kiss timing are on kiss on the first date, and the date count changes neither. The opposite worry has its own thread: on Mumsnet on January 19, 2022, someone three dates in with no kiss asked what it meant, and most of about 76 replies said to try a fourth date and say something (Mumsnet, 2022).

What the surveys say: “should” versus “did”

Surveys on sex and the third date ask one of two things: what people think a couple should do, or what they did. The table keeps them apart. Two rows are company data from dating businesses.

The attitude surveys ask what people think they should do, the behavior ones what they recall doing, and in the one poll that asked both, the answers differed. In YouGov’s July 2021 poll of 1,323 US adults, 10% said within a week was the right time, while 15% of respondents in relationships said that is when it happened (YouGov, 2021).

Our reading: the attitude rows do not agree with each other either. YouGov’s 2019 poll of 1,246 US adults found 14% who would personally wait until the third date, and Match’s 2021 survey of 5,000 singles found “2 in 3” who want to wait until after it. The questions differ, so the figures cannot be set side by side. Every number of dates in circulation, for sex, exclusive and official, is traced to its survey on how many dates before a relationship.

What the research can and cannot tell you

The studies on sexual timing asked people already in relationships when they started having sex, then compared that with how the relationship was going. That design cannot separate the timing from the kind of people who choose it.

Busby, Carroll and Willoughby (2010) surveyed 2,035 married individuals and found that “sexual restraint was associated with better relationship outcomes, even when controlling for education, the number of sexual partners, religiosity, and relationship length”. The data were cross-sectional and retrospective, and only married people were asked (Busby et al., 2010).

The same team’s 2014 study of 10,932 people in unmarried relationships found that waiting “was generally associated with positive outcomes”, an effect “strongly moderated by relationship length” (Willoughby et al., 2014). It is correlational.

Sassler, Addo and Lichter (2012) studied nearly 600 married or cohabiting low- to moderate-income couples with children, from the 2006 Marital and Relationship Survey. Delaying sex went with higher relationship quality, “significant only for women in multivariate analyses” and largely explained by cohabitation. The authors note that “people were not followed over time” (Sassler et al., 2012).

Two studies look at how attraction develops instead. Hunt, Eastwick and Finkel (2015) studied 167 couples, 67 dating and 100 married, together from 3 months to 53 years; couples who began dating within a month of meeting matched more on attractiveness than couples who had known each other longer first (Hunt et al., 2015). The ReCAST release adds a timing detail: short and long relationships pulled apart, on average, around the time the relationship started to become sexual (UC Davis, 2018). Our reading: the release puts the split near the start of sex, not at a number of dates, so it cannot place the third date on either side.

The closest thing to data on a bad third date is a Mumsnet thread from April 5, 2023 asking whether things can turn around after a bad third date, which drew a handful of replies (Mumsnet, 2023). For reading interest on the night, see signs a first date went well; the speed-dating study on predicting who wants whom is on second date ideas.

What to talk about on a third date

Our first date questions cover the opening round. By a third date, the questions left are about plans and wants. Eight of ours, not tested at scale, moving from this month to this:

1. What are you looking forward to this month?
2. What have you been meaning to do for ages and keep putting off?
3. How much of your week is already spoken for?
4. What would you do with a free month?
5. Where do you want to be living in five years, and is that a plan or a wish?
6. What did you want ten years ago that you don’t want now?
7. Who do you call first with good news?
8. What are you hoping this turns into?

Our view: the last question goes last because it is easier after seven about plans, and “I don’t know yet” is an honest answer to it.

The evidence on saying what you want is thin. One small study of online daters links talking about wants to a second date, not a third; the figures are on second date ideas (Sharabi & Dykstra-DeVette, 2019).

Who asks for the third date, and the texting in between

Whoever wants it. In a Mumsnet thread started December 17, 2024 and titled “Should I initiate a third date?”, most of about 43 replies said to ask (Mumsnet, 2024).

The one experiment we found on texting timing, Teichmann and colleagues (2026), covers the message after a first date, not the days between a second and a third. Our page on what to text after a first date has it.

Our rule of thumb: whoever wants the third date asks, with a day in it. One of ours, not tested at scale: “Saturday? I’ll get us into the bakery before the line, then you pick the afternoon.” It hands them half the plan, which is the half the table is about.

If your answer is no, how to reject someone nicely has wording for it.

How to use this

1. Pick the date by what you want to see, using the middle column of the table. (Basis: our view; ReCAST, 2018, on how little early interest shows about where things go.)
2. Name the evening when the date is at someone’s home. (Basis: the January 2025 Mumsnet thread, where replies read the same invitation two ways.)
3. Treat the third date rule as a quote with no source. (Basis: Siegel in HuffPost, 2022; the surveys above, which disagree with each other and with behavior.)
4. Ask for the third date yourself, with a day in it. (Basis: our rule of thumb; the December 2024 Mumsnet thread.)