This can be either positive or negative. When your thoughts are fueled by mostly sexual desire, your hormones go crazy. Are you sure it is a good idea? Perhaps you can step back and see if there are other benefits to being in a relationship with this person. Do you want to be in a relationship that is too focused on sex? Perhaps you would like a lot of that, but make sure you don’t trap yourself in a controlling, toxic relationship that has nothing to do with love. i can't stop thinking about him