Article continues below advertisementDave Grohl is working on himself after confessing to welcoming a child outside of his marriage in September 2024.The Foo Fighters frontman, 57 - who shares three daughters with his wife of over two decades years, Jordyn Blum - revealed in an interview published on Friday, March 20, that he's "been in therapy six days a week for 70 weeks," adding, "I did the math the other day: over 430 sessions."As OK! reported last fall, Blum, 49, gave the rocker a "whole list of conditions to stay together" following the bombshell cheating scandal.