Saying a mean thing every once in a while doesn't make you a mean person. He was just frustrated, he gets frustrated often and does not practice enough self con

Saying a mean thing every once in a while doesn't make you a mean person. He was just frustrated, he gets frustrated often and does not practice enough self control when venting his frustration. That's not the same thing as consciously setting out to be mean to someone, at least, that's how I would define 'being a mean person'.