What's the meanest thing you've ever done to your boyfriend/girlfriend?

I changed school(I did it because I wanted to study artschool but was full of retards so went back to my old highschool that was closer to my home, I met him at bordingschool there aka Bordello), he didn't know about it but I didn't tell him nor contact him for weeks until I heard about his car accident, he survived. He asked me to come and visit him, said he still loved me and didn't understand why I just erased everyone from then out of my life(they were cool people but too far away); I told him I'd come to see him, but again no show. A few months later, a girlfriend called me to tell me he hung himself. He was 19 years old, dutch, the hottest but most sensitive guy ... it's why i liked him but he was too jealous about other guys around me. I miss him, I feel like **** that I didn't care more about his feelings, and I blamed myself the last 2 years for his death, he was kind of obsessed about me which sort of made me think it was best to hook off, but it's thanks to him I realized what an *** I was to people ..