Conversation so far:
Why did Fall Out Boy take a hiatus?
Fall Out Boy's Andy Hurley went through the darkest depression [I've] ever felt... Wentz, who had been abusing Xanax and Klonopin, was divorced by his wife and returned to therapy.
Did Fall Out Boy come back together?
Fall Out Boy band members Stump and Wentz met up for the first time in several years in early 2012 for a writing session.

Question: What side projects did Fall Out Boy band members do?
Self-contained rewrite: What side projects did Fall Out Boy band members do?