Technically it's not really cheating to start with, but somewhere along that line of emotional torture & cruelty. 

To start off, about 1 year into a relationship everything started going downhill. He would guilt trip me for every single fight we had and denied any share of (his) fault in it. Also forcing me to change into someone I ain't for his sake. Though I did make several sacrifices in my personality just to match his, he never felt that was enough and made me felt like shit completely and would pick on every single thing I did just to pick a fight with me. He even went to an extent calling me an obnoxious girlfriend just because I can't give in to a fight every single time. Called me lazy and insensible because I wasn't really sure about my career choices back then and wanted to try around the industry. Well, if I were to list every single bullshit this douche did to make me feel like absolute trash, the list can go on forever...

A last straw came when he lied about not meeting me cause he was feeling emotionally distress due to some situation but ended up hanging out with a group he was trying to impress. When I confronted him about it, he turned the situation around and accused me of being insensitive to his feelings and called me a horrible girlfriend. After that, I've officially broken up with him but gone through a period of attempts to rekindle the relationship as we (or in fact, I) felt that perhaps we will be readier to continue our relationship in future thus not to give it up completely.

Asked him if he would wait for me and we'll do a mutual waiting for each other to be ready for the relationship and he told me this, "I don't know. I can't confirm. After all, it wouldn't be fair for the others anyway." What others he mean and he replied "others who wanted a chance with me." Just goes to show how much pride he has. FYI, he isn't exactly that good-looking. He just had the height and the money to go for a good haircut - AND THAT'S ABOUT IT. Didn't even know why had I been so blinded by love to see his nasty immature behavior. He'd also claimed that he could easily find a girl way better than me in everything.

Not long after, a mutual friend bumped into him with his new girlfriend. And that friend told me that his new girl lwas nothing similar to his previous declarations.