Why it's impossible to feel great about the return of Nick Diaz

LAS VEGAS -- The return of Nick Diaz is complicated.

I've been talking to professional fighters since 2009, but I have never had an interview go the way my conversation with Diaz went this week. Diaz, 38, returns from a six-year absence on Saturday, against Robbie Lawler at UFC 266. He has done very little media in the buildup to this event -- and one can see why, given the interview he did grant to ESPN.

Just four days away from the fight, Diaz somberly admitted he really doesn't want to do it. He said he tried to get away from fighting over the last six years, but it inevitably pulled him back because it's the only thing he can do for himself and those around him. When asked if there was…