Am I been unreasonable?

I am a mother off 3 soon to be 4 my 2 oldest are not my husbands there to my ex we have a 6 month old I am nearly 5 month pregnant again lol I am suffering with severe depression and anxiety I struggle because I'm unwell my husband thinks it's okay to go out 3 times a week doesn't come home when he does he is always on phone and xbox it's getting me even more down he hardly shows me any love or affection and when I confront him about going out he says he also needs to clear his mind I cry cry cry cry all the time sometimes even consider packing up and leaving with the kids I'm so ooooo unhappy in this marriage