Dean and Sam

To start off, this isn't an artikel meant to badtalk Sam, I was just thinking about why I don't like him as much as I like Dean.
What got me thinking was a pick on the Winchester Spot link
The options were:
Dean's ability of protecting Sam at any cost <3
Dean's unique style
His looks ;)
He's a tough guy / bad-boy
Dean's humor XD
All valid reasons why I like Dean, but none of them really explained why I didn't like Sam(not that I hate him!). He's intelligent and brave; handsome and charming. So why don't I like him as much?

When I thought about it for a bit, I realized that I could...

Dean: u know, Sam, we are allowed to have fun once in a while. That's fun.
Andrea: Must be hard with your sense of direction. Never being able to find your way to a decent pickup line.
Sam: “Kids are the best”? u don't even like kids.
Dean: I love kids.
Sam: Name three children that u even know.(Dean thinks and Sam begins to walk away. Dean scratches his head)
Dean: I'm thinking!
Dean: So crayons is meer your thing? That's cool. Chicks dig artists. Hey, these are pretty good. u mind if I sit and draw with u for a while? I'm not so bad myself. u know, I think u can hear me, u just...