getting over emotionally abusive relationship tips?

hello, all. i made the decision to stop talking to my significant other tonight after receiving the following messages. these are mild compared to the countless others he's sent me over these past few months. i know how i should feel: angry, relieved, hopeful even. instead i feel regret and sadness, wondering what i could've done to not upset him to the point of him saying those things to me.

some context: i am 24, he just turned 37. the age difference never bothered me, and i never thought it bothered him. i wouldn't consider myself immature or childish, but every now and then i like to crack a dumb joke. i don't know. but every time we've argued, he's always brought up how childish or foolish i am. it hurt me and he knew it.

i have always looked at girls my age in clearly abusive relationships, shocked at the things they put up with. for that, i feel stupid and embarrassed because i ended up in one myself. i never wanted to be like the women in my family, or the friends i have known. i don't mean to say that they're stupid or anything because they're not, but i understand that love can be blinding.

on top of all this, my period is late due to the stress of it all. my mother is so far away, i don't have anyone to lean on right now, and that's what is really hurting me the most. my depression is the worst it's been in years.

so...what did you any of you do to move on? how can i avoid another relationship like this in the future? thank you in advance, and you all have a good night.