Unhappy with my husband

This morning I woke up, and I'm at the end of it. I've been married to my husband for 3 years now and I'm so F*** unhappy!!! O course the first year of marriage was like a dream, and he was the most pleasant, amusing, easy going, caring person. We got pregnant pretty fast after the wedding and then things start going downhill very fast after couple of months after our marriage, drinking, cheating, porn, dick pictures, emails, SMS... You name it (I never caught him having sex or anything like that but is mostly emotional cheating). Tried to work things out, went to 3 different marriage counselor, he always has good intentions when we started but then fizzled out after 3 session. Got or second baby and now pregnant with my 3rd. I do love (like) him, but I feel I've tried already everything to make us work, not that I've caught him doing the same crap again except looking up his ex on FB. But we've grown cold, distant, and more like roommates. We don't have sex anymore, except random out of the blue times (from which we got pregnant). I mean there is no love, we don't go on date nights, nor he's talking to me like before at home. I feel he rather be anywhere and talk to anyone rather than me. I'm a stay at home mom so I spend a lot of time with the kids, taking care of the house. So I'm mostly home all day everyday, cleaning, cooking, and caring for the kids. I have 0-none friends where I live since I move to US not long ago and never have the opportunity to go out and meet people. I'm