Husband wanting out of marriage? (Long)

Hi! I need some advice! My husband and I are highschool sweethearts. Been together 9 years, married 8. Have 2 kids together (almost 4 and 5 months old). The last 2 years have been very rocky.. we've both done things in the past to cause trust issues. Im not putting blame on just one of us. I've admitted to my faults, asked what I needed to do to fix them and I did just what he asked me to do. ( and ahead of time no I did not cheat). But when it has came to him fixing the issues on his part, he doesnt. He likes to go out all the time with his buddies and drink. Here lately the strip club has become the main place they go to. He went out last weekend for a bday with a bunch of guys he works with. I was told he would he home at 1230. I didn't bother him the whole night until it became almost 1am. I texted to see if he was okay and I get back a story about them all being in handcuffs bc of a bar fight that broke out in the strip club. About an hour later I message one of the others wives whose husband was with mine just to find out my husband had been at her house for the last hour and that the bar fight was completely made up. He wouldn't answer my calls or texts, and didn't come home until almost 330. The next day he said he was just having fun and didn't want me to ruin his night so that's why he made up the story to buy him some more time before coming home. He showed me pics from the night out and he had pics of the strippers kissing him on the cheek. Needless to say i was very upset about it and he gets mad at me when i bring up how none of that is cool on his part. He had quit wearing his wedding ring, and on social media he's constantly sharing pics of women half naked, and liking all kinds of nasty pages on instagram. I've told him I feel like this is disrespectful to me but he doesn't care.he said we needed to separate almost a month ago and took off to another state on a weekend of partying, then came home and wanted to fix it. When he came home I found messages between him and a childhood friend with him telling her she was beautiful and that she shouldn't be single and he's always had a crush on her. While he was gone that weekend He was telling people He was going to move back up there, as it was his hometown. It's 7 hours away from where we live. He had a stripper messaging him a few weeks ago, which he says was nothing but casual convo, when I asked to see them to help me not feel like was there was something else, the messages were miraculously deleted. He's called me a failure at life because I only completed a G.E.D. and never went to college, and only worked a year and half through out whole relationship. The last 4 years has been strictly to be a stay at home mom, the other years was bc He wanted me at home because He made enough to support us. He was in the army and has almost 4 years of schooling under his belt and now has a really good paying job. At one point he even accused me of sleeping with a coworker and denied that our son is his. ... Is he just wanting his cake and eat it to? Does he want out but just won't say it? I'm so confused on what I should be doing...

Tia!

Guess I should've added this in there, when he asked to separate almost a month ago he asked me to pack me and the kids up and move to my moms. We have 2 vehicles, which are both in his name and he said I couldn't use one until I got on my feet. I've been a stay at home mom for the last 4 years so pretty much everything we have he's bought. I know it's not suppose to be that way, but with him he looks as though he bought it so it's his if anything happens. If we do split up I have 2 small kids with absolutely nothing but a bed and a dresser. Also when confronted about the strippers he says it's nothing, that he doesn't get lap dances and he doesn't look at the strippers.. my answer back is always then why go to a strip club and not just a bar.