I broke up with my boyfriend almost a year ago, and we ended on bad terms because of the way he treated me. At first I had the intention of keeping contact but realized very soon it wasn't a good idea. I asked him to stop contacting me because I was no longer interested in being friends, he said it was ok and that he would stop, but now I get a text from him every other month with the excuse that he is worried about me. It doesn't matter if I ignore him or reply asking him to leave me alone, he always comes back. I block him but he finds a way to text me again (using his friend's phones, fake social media accounts, etc.) I can't confront him face to face because we don't live in the same country, and I didn't think we would need a confrontation since we're both 20 yo and should know better. It's starting to scare me and I don't know how to make it clear that I don't want anything to do with him anymore. Every time he texts it makes me feel horrible and I desperately want him to stop. What can I do??