"To be concerned about being grown up, to admire the grown up because it is grown up, to blush at the suspicion of being childish; these things are the marks of childhood and adolescence… When I became a man I put away childish things, including the fear of childishness and the desire to be very grown up." - C.S. Lewis
They should've left the extended scene after Hulk falls from the Helicarrier, though. That explained quite a bit about his change of heart.
Tommy, close your eyes.
I did like that scene, but I guess they thought it might be better to get to the smashing as soon as possible. Maybe it will end up in an extended version of the movie at some point down the road.
"In Brooklyn, a castle, is where dwell I"
The use of a lightsaber does not make one a Jedi, it is the ability to not use it.