1. Brad Pitt. Well, duh.
2. There's a romantic relationship filled with angst.
3. Guys without shirts on. Lots of them.
4. Brad Pitt. Almost naked.
5. Self help classes, or a facsimile thereof.
6. Guys get turned on by it.
7. Psychological twists that involve Brad Pitt. A lot of him.
8. The chick wears clothes as interesting as Sarah Jessica Parker ever did.
9. Guys think you're cool if you like it. That can be useful.
10. Ok, I meant for there to be ten but I can't think of any other reasons besides Brad Pitt again.