I used to, when I had someone to share them with. I rarely share my problems with my other friends, which is probably a bad idea as I know they're there for me, but I'm scared they wont care or be able to help.
I'm really close to them, and I've known many of them since I was 4, but for some reason I cant bring myself to confide in them about anything majorly problematic for me. I gues maybe I prefer to wallow in my own misery.
Silly and stupid really, cos when I do share the load and tell people my problems I feel much better off.
I occasionally confide in people when I'm drunk, but I rarely remember what I say, and nor do they so it's pretty pointless really. Just one of those things.