My man blocked me on social media?

[A]

Initially we were friends on fb and twitter, but he was adding women he didnt know to fb and I asked him to remove them because of flirty comments between them. It took weeks of arguing before he finally deleted them, but then he turned around and blocked me too from all social media. To me twitter is no big deal because its public, but fb is personal and too much shady stuff can go on in private. We have mutual friends though who have confirmed that he deleted those women, but still it makes me angry and uncomfortable that he keeps me blocked. He says its because I made a big deal about his "female friends" they aren't friends, they are strangers and he would not like it at all if I added strange men. At one point we even separated because I had to him if he couldn't add me then I couldn't do this, and he chose to break up, but we worked it out and he still won't add me...I'm seriously ready to end this. Sounds petty but after all I had good reason to be upset that he was chatting inappropriately and of course I'm wondering what he's hiding if he can't include me...how would you feel? Am I right to be upset even if he isn't flirting anymore? Mind you, he is 42!!
Together 3 years....but I refuse to proceed with marriage or family if this isn't resolved because I don't feel it's right and he thinks I'm overreacting
How is it controlling when he has a history of inappropriate behavior online?
I am 30