Trust your gut about this individual. He was showing you some things about himself right away, priding himself on keeping track of his ex then taking YOUR phone and making sure to delete your friends and contacts. It's best to pay attention to these obvious warning signs and make it a point to block him out of your life, doesn't matter what he says either, get away from him.

Yes, there are some toxic and controlling people out there in this world. Listen to your gut and don't be afraid to walk away from people that are intrusive and controlling.