I'm 17 and i jus had a baby 16months ago now my baby daddy is actin dumb can someone plz help?!!!!!!!?

he acts like he need to the center of attention i love him to death i really do. and he gets on me wen i tell our daughter not to do something n im wrong but weeks ago wen i went to pick my daughter up from his house she had 2 pennies in her mouth whlie he was playin the game. he argues wit me for kiddie stuff n he trys to flip things wen we argue i broke up with him time and time again because i need time to myself we been together for 3 years and im still attending school and i jus quit my job and he's jus no help sometimes . and he gets mad at me jus because i have a facebook cuz he thinks im gonna find somone else. I really need some guidance cuz i cnt talk to him.