In See You on the Way Down… Catch You on the Way Back Up!, comedian and #1 New York Times bestselling author Greg Behrendt opens up about his rise to the top and the high-speed rollercoaster of ups and downs that followed.

You may know him best as the co-author of He’s Just Not That Into You, but sometimes he wishes you didn’t. During a serendipitous opportunity to serve as a consultant on the hugely successful television series Sex and the City (which was brought about by a lack of straight men in the writers’ room), Behrendt passed along what would become pop culture-defining relationship advice to a colleague: “He’s into you, he’s just not that into you.”

What was intended to be a casual conversation soon exploded into a phenomenon for women around the globe and landed Behrendt multiple appearances on The Oprah Winfrey Show, changing the trajectory of his career. Grateful for the success that the book (and later, movie) brought him, Behrendt did not intend — nor expect — to be a relationship expert. The stark adjustment to this new level of fame led to emotional struggles as Behrendt tried to remain true to himself and advance his other career goals. Stand-up shows at famed comedy clubs would be interrupted by fans of HJNTIY, and interview appearances would focus solely on the popular relationship advice rather than his new stand-up specials. Through it all, Behrendt grappled with getting people to focus on the work he loved most — comedy.

As he managed professional hiccups, Behrendt was also battling personal difficulties. In the span of a few years, he would receive not one but two cancer diagnoses and fight to overcome prescription drug addiction, all while grieving the loss of two beloved family members who had struggled with their own addictions. As the stress mounted for himself, so it did for his wife and daughters.

Behrendt is the first to admit that he’s made mistakes and that he will — like all humans — make more in the future. See You on the Way Down may not have all the answers, but it shows how resilience, time, and a sense of self can get someone back up after a hard punch… or a few. Humble and hopeful, Behrendt’s story will show you that while the high moments may not last forever, neither do the low ones. All it takes is the right help.