I think a gentleman is someone who holds the comfort of other people above their own. The instinct to do that is inside every good man, I believe. The rules about opening doors and buying dinner and all of that other 'gentleman' stuff is a chess game, especially these days.
Creating a character and living truthfully through her is a whole different ball game. It's all part of the same person but it's a much newer medium for me.
A team will always appreciate a great individual if he's willing to sacrifice for the group.