Need advice

Melanie • My name is Melanie Wiley n I have been married for almost a year now n me n my huband had our first baby gurl in july, n I have to boys from a previous relationship.
So I need some advice, me n m husband have been fighting here lately n he gets really mean with me outta nowhere, n we havent had sex in 3 days n we alwaz have sex at least once a day, well when I ask him to have sex he says not right now n alwaz goes to sleep on me or nvr says anything bout it, I feel like he is not attracted to me bc I still have nt lost all my baby weight from havig my daughter in july or I fear he is hiding something from me, n if I try to talk to him he tells me to get my emotions in check, idk wat to do bout it, grant he works 50 hours a week so I dnt wanna b paranoid n nothing b wrong,, wat should I do?????