HOW TO IMPROVE THIS SEX LIFE

so my fiance and I met a little over a year ago and got pregnant 3 months into our relationship, very very early but we both felt the same way about each other. we got very close very quick since we had both just gotten out of a divorce and had basically the same story. anyways, we used to constantly have sex. every day, throughout my whole pregnancy. and I loved it. Well I have birth to our daughter July 3rd of this year and we've barley had sex since. we first did it 5 weeks to the day after I had her. and then we maybe do it once every two weeks. I'm a stay at home mom and our baby has colic so she crys ALOT of the day. he leaves for work at 8 am and doesn't get home until 9 pm and the first thing he does is turn the t.v. on, which I understand he wants lazy time but I wish he would show me attention first. we just got into an argument because apparently he stays up until 11 by himself every night and we don't ever do anything anymore. I told him I always make the first move with anything and he never does anything about it. and that it's hard to feel sexy and want to do stuff when you're home all day with a screaming baby and the first thing he does is watch tv. what can I do to revamp our sex life????