11 can do whatever he wants: Wear a Fez and Bowtie: Because Bowties and Fezzes are cool! Eats fish fingers and custard: Not something that we humans imagine would go together. But who cares? 11 likes it! Cross into his own timestream: Don't tell the Time Lords!...Oh right! They're dead. (or are they?) Invite himself to his own death: Because he can! Marry the child of your companion: Let's face it, that was slated to happen at some point.
I still miss Nine, I'm afraid, so while I love both Ten and Eleven I'm enjoying the break; I like Eleven because he's bubbly on the surface - there's this inherent knowledge that there's something dangerous lurking just under the surface. Ten lost that towards the end, so I'm liking the chance to re-discover it