Millenials also wait 48 hours to ask about a second date, while older people wait three days, on average. But the good news, at least if you're a millennial, is that you may be waiting a little less time to see if there will be a second date. In , Dean Busby, the director of the school of family life at Brigham Young University, performed a study that suggested that the longer you delay sex — especially if you wait until marriage — the more stable and satisfying your relationship will be. But again, the evidence to support that claim is very limited. Give it a few weeks According to Goldsmith, a total of 36 hours spent together is all it takes to be ready. Copy Originally Published By: Obviously, this survey is far from conclusive — everyone moves at their own pace when it comes to physical intimacy. Millenials surveyed said that they followed up within 48 hours to set up a second date, while older participants said that they waited three days on average. If a couple waits much longer than that, he says, the strong desire to have sex may begin to subside. Most participants told researchers that they wait until the second date before having their first kiss. The survey, conducted by Groupon , asked 2, adults about dating habits and found that, on average, eights dates was deemed the "acceptable" amount of time to wait before having sex with a new partner. Men were nine times more likely to be OK with sleeping together on the first date 9 percent vs. The average person who identified as a man was cool with waiting five dates, but the average person who identified as a woman leaned more towards waiting nine dates. Her study of almost college-age men and women found that it did.