I gather that this type of guy is not the right type of guy for you. You can start by making an appointment with University Counseling, or find a private therapist to help you work through this pattern. And write down a list of the most important qualities in a good partner/friend for you. Also think about that boy from your younger days who you really liked in a platonic way — what was he like? Would someone like him appeal to you today, romantically? Consider mixing up your BC social life a bit. You may encounter some new faces that will surprise you. It’s a tough process, but good to face if you know you’re on the wrong path.