Sigh... Kinda long 😕

I really just need to vent to people who don't know me ... I'm so over this relationship. We've been together 3 and 1/2 half years. We have a 2 yr old and I have a 9 year old from a previous relationship. I'm used to my lover being all over me. Showing me lots of love and affection. I like to be told I'm pretty and feel sexy. Every man I've ever dealt with before now has gone beyond making me feel secure. The partner I have more doesn't do that. I'm pregnant and feel sad a lot of days because I just want assurance. I've stepped out in the past because of lack of attention. We have talked about it. I've cried my heart out and it always goes back to him being nonchalant. I stayed because it got better but it was temporary. I don't know what else to say or do to try and make this work. At this point, I don't want to start over and try to find a companion with 3 kids in tow. I know it's possible but atp I'd rather just be alone.