It's so important for 20-somethings to understand that if they are looking for a boyfriend/girlfriend committed relationship, waiting to have sex is the best way to go.
When women have sex, women release a spike of a hormone called oxytocin, which is known as the 'cuddle and bonding hormone,' where women are physiologically bonded to the guy, even if he is a douchey f*ckboy.
Make sure that if you start dating a 'bad boy,' you don't waste valuable time when you realize he's not in it for the long haul.
Plenty of those bad boys are still single at 40, or have gone through several divorces.
It doesn't care if the guy you just slept with is also sleeping with five other side chicks or chronically unemployed.