I was just about to post about this as well but was debating if it should go in the Geek Forum. I caught the midnight showing and I've had some time to dwell on the comments. WARNING, SPOILERS L...

i thought they kinda explained him losing his powers because it wasn't in his heart.

Thats a lame excuse though. His DNA has been altered, he is physically stronger and more durable. How do you lose that over an emotional issue?

arggh you just ruined the movie for me