my ex

so i’ve known my ex a little over a year. when i first met him he was nice and as time went by he got more and more rude. he’s called me a b*tch, selfish, told me to stfu, slow and more. i broke up with him two days ago because i was tired of it and now he’s crying and begging for me back. he says he’ll change but i’m not so sure. he says this is “eye opening” and i want to cut him off but i just feel so bad and i’m not sure if i should give him a chance