His decision:

He's going back to movies, it seems. Remember how cool he was in the first Matrix film? How he looked like he'd put on 80 pounds in the next two? Made you wonder why everyone who entered the Matrix with full knowledge of its meaning wouldn't make their fake selves thinner. What if you rip your pants on one of those kung-fu kicks, and you have to find a new pair? Stuff like that drove me nuts. We were just supposed to accept all the inconsistencies.