Maybe. I haven't ever seen anybody scientific say that they're bad for you, like cigarettes always have doctors and things in the papers saying you shouldn't smoke 'cause it's bad for you.
Sometimes, only when he's chasing someone bad, but he did it for me a few times when I was little for fun.
/Voice/
Sometimes, only when he's chasing someone bad, but he did it for me a few times when I was little for fun.