Why do guys tease me so much? And why are guys better teasers than girls?

My guy friends tease me all the time! The poke my stomach, (something the know bugs me) tickle me, snap my bra straps, try and throw things into my cleavage, play keep away with my things, write things on my arms (another pet peeve), make fun of my blonde moments and poke my arms and legs. It's insane! I've always been close with guys and I get along with them better then some girls, but all this recent teasing is crazy! It's like some kind of competition for them! They are this way with there other friends (girls or boys). I swear I'm always being teased! What gives? Why me and not everyone else? My guy friends say I'm just fun to mess with and it's all in fun. I love that they're so comfortable with me and I wouldn't trade my friendships with any of them for the world. I'm just wondering why guys like to tease? Teasing is my favorite thing about guys, girls just can't do it without being mean. So why are guys better teasers then girls? And why can't they leave me alone?