Why Is My Ex-Boyfriend Following Me?

Question: When we broke up, my ex-boyfriend insisted that he hated me and tried to cause trouble for me with my friends, family and coworkers. He immediately got into another relationship but now he seems to be following me. He’s been stalking my Facebook and Instagram accounts and has shown up to public places where I’m hanging out with friends. I have no feelings for him but I wondered if he still does for me. Is he…