updated 04/17/2011 AT 11:00 AM ET
•originally published 04/17/2011 AT 11:30 AM ET
For David Arquette, humility came at a stunning price. His separation from wife Courteney Cox sent the actor into an emotional tailspin that revealed a man simultaneously desperate for attention and devoted to his fractured family.
But with more than 100 days of sobriety behind him and an understanding of the struggle that lies ahead, Arquette is ready to move forward, warts and all.
“I went through a really hard time, and my way of dealing with it was just to blow it all up,” the Scream 4 star, 39, told PEOPLE Saturday at Hollywood Bites Back. “I did act childish[ly], but at the same time I had to – I was really hurt. It was hard for me to deal with this, but what I had to do ultimately was step back and take a look at myself.”