feeling stressed about my relationship.. we've been together five years and have two girls together…

feeling stressed about my relationship.. we've been together five years and have two girls together and an apartment. but, I find myself not being the best Mom I can be when he's around.. he yells more than talks and ignores the girls more often than not.. I'm always so Mich concerned with his happiness so he isn't yelling that I'm anxious and up the girls butts when he's home. but they still absolutely adore him.. I don't get it..