Emily Nagosky is an American sexologist and author. She popularized the idea that libido is like a car with an accelerator that detects erotic stimuli and a brake that is pressed to the floor with everything that distracts us from sex.

In her new book, Come together, she explains how to keep passion alive in stable couples. “Your sexuality is not a problem that you have to solve or a disorder that has to be treated,” says the author, who calls herself a “sex nerd”