Is it normal to cause intentionally cause others pain, just to see if they care

Okay so I've been off & on with my boyfriend since 2006, & we also have a child together. For a very long time we've had problems with him getting females numbers a& I really have lost count how many times. But he's really not good at hiding it at all. He would leave his phone out, forgot he gave me his email password, so i just kept resetting his Facebook password & deleting the reset messages from his email. Anyways, whenever I found out, and he saw how hurt I was, he followed me around like a little puppy, cried, beged me not to leave, got his phone # changed, deleted all kinds of people off his page and acted really good until I start trusting him again, then the cycle slowly started again. And most recently a girl showed up from his past & said her baby was his (turned out 99.9% that it wasn't). I was in tears for days before I had these results. But he never responded when I asked him if he liked to see me hurting. It seemed like it made him feel in control or somethin. He basically said that he wished the results were the other way, because for me to hurt like that, I must really love him. I think he's a freakin weirdo for that, and that its super ABNORMAL to want situations like this just to feel loved. Do you guys think it's normal, to intentionally hurt someone, and judge their love for you by how much pain they feel? By the way, I've already loosed myself of this man, but what do u think?