Clothes come off after one week.
“If you sleep with someone after a week it’s impossible to know them very well,” says Emily Dubberley, author of Brief Encounters: The Essential Guide to Casual Sex. “In this instance, the first time a couple has sex, they might feel embarrassed about communicating their sexual needs.”

Will it last?
“Even if the sex isn’t great after seven days, it has the potential to be amazing once you get to know each other better,” says Dubberley. “If you’re upfront and honest, say what you want and take the time to learn about each other’s bodies, you could have a fantastic sex life together,” adds Sadie Allison, “pleasure coach” and author of Tickle His Pickle!. She also suggests you choose a nonintimidating place, such as the park or a coffee shop, to talk about what turns you on.

Clothes come off after one month.
A recent Durex report found almost a quarter of people globally would have sex with a new partner within a month. “In our culture, it’s a normal amount of time to wait,” says Phillip Hodson, sex therapist and author of How Perfect Is Your Partner?. “If you’ve been on four or five dates, the sexual tension has had time to grow. You’ve probably already shared a few kisses and cuddles and have a good idea about how suitable the guy is and whether you want to take the relationship further.”