Give it a few weeks According to Goldsmith, a total of 36 hours spent together is all it takes to be ready. When is the best time to start being sexually intimate in a relationship, according to science? Don't stress if you don't get a kiss on the first date. Having a good level of communication and an understanding of where the relationship is headed also helps ensure the experience will be positive, she said. 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. And while 39 percent will still pucker up if a date has gone well, even more 45 percent say a first-date kiss for them will rarely or never happen. There are a lot of questions when you first begin dating someone, but one of the biggest is when exactly you should take the plunge and sleep together. The study by Groupon found men feel sex is appropriate at any point from date five onward, but women would rather wait until date nine, on average. The answer is complicated, spanning anywhere from a few dates to a few months after beginning to spend time together. The honeymoon period is the first few months of a new relationship, when feelings of attraction are intense and it seems as if the person you're with can do no wrong. The introduction of that conversation was often awkward and apologetic. But when it comes to how much time that takes, it depends. That emotional connection is one of the key elements of any relationship, psychotherapist Toni Coleman told Business Insider in But even getting to that stage is far from easy due to the obvious pitfalls of dating: If you do manage to make it past the first date, three days is the average wait before setting up date two, with millennials slightly eager to progress things, averaging under 48 hours. Valentine's Day is coming soon, signaling a romantic milestone for many couples.