Lol, nope.
I might have without my knowledge.
I have to work REALLY hard to be "mean" even in play! For instance: I'd rather have snowballs thrown at me, then throw them at others. But that's just me.
There are SOME things I'm competitive with though....
Cars, you had better watch out!!
Edit: Hmm, that makes me sound like a push-over, I'm not. I just like being nice/caring to others. Honestly, there's no reason not to be!