"I grew up feeling unlovable. You didn't know what love was of course, of course you equated that to love because you said I felt unlovable people didn't want to be my friends," she says. "And when we feel that way by ourselves, it doesn't matter what's happening on the outside. We don't see it." Sex creates an emotional and neural bond with someone, according to new research. If you accidentally fall in love through sex, then hold off as you want to get to know somebody on an emotional level before you catch up to it in a physical level.