I don't know. Why would one of them pretend to be in love with me? [pretend. It was clearly pretend.] Why would another one stalk a private school just to scare random people with vague rumors? They don't always make a lot of sense.
And so what if he is telling you the truth? He can't fight reality. When push comes to shove he's Diva's, and he'd drain you dry for no more reason than he thought it might amuse her. You're spending a lot of energy defending someone who doesn't deserve it.