Frustrated...

Sooo It’s been about 5 months since my husband and I have had sex. I’m sexually frustrates cause I feel like he shows absolutely zero interest I. Even attempting to have an intimate relationship. Quite honestly I feel like I have an overt reliant roommate. We do have two children 2 & 7 months which is reason for some of our sex life not happening however I feel like we should be able to make time. I need advice on how to make this better because at this point I’m emotionally hurting as well as sexually frustrated. I understand he works full time and I’m a stay at home mom so he is tied but I feel like I’m not even a priority.... I’ve tried talking to him. Supposedly it’s my fault cause I allow our 7 month old to sleep with me since he falls asleep in our 2 yr olds room every night til about 2 am. I don’t feel confident in even trying to come onto him when he makes me feel like I’m unimportant as it is... I’m just hurt and don’t know what to do. I don’t feel like our marriage is even going to last anymore. Seeing as after almost 6 years he still just doesn’t try... advice needed plz.