What makes a man a pervert?

i used to have a cyber romance with a man i thought was ust a guy with a wacky sense of humor,until i started to put two and two together with the language he was using and that photo he e--mailed me of his manlyhood,then my gut instict took over and i told him to cut the garbage lingo out. he quit chatting with me for a while then we connected again and his mind crawled out of the gutter once more,finally my brother who has a seargents badge got innto his yahoo im space and saw the ually laced messages he sent me,my brother had a fit,he left this loonatic a note and threatened him , and told him to leave me alone.the next step was to notify the police which was what my brother did. hopefully he will get yahoo mad enough to kick him into the middle of next year! im glad i did what i did and im thankful that my brother got this guy into hot water.