Get a vacuum cleaner. It worked for the Ghostbusters! Umm, I never saw those movies but the only thing I remember is vacuum cleaners. Like cats, I guess the ghosts are afraid of them.

I assume this action is the result of immaturity combined with jerk personality.

Gator hit it on the nail!

Plus this type of guy will more then likely be the type that would keep one dangling around just in case a different relationship doesn't "work out." She is his "safe go to" girl so he is never without a female.