It's fun for me to couple emotion with comedy. I think it helps comedy. I think a lot of times American comedies don't play on emotion too much.
"Ed Helms, Bradley Cooper, and Zach Galifianakis Talk THE HANGOVER PART III, Looking Back on the Franchise, Weirdest Moments, Vegas, and More". Interview with Steve "Frosty" Weintraub, collider.com. May 21, 2013.