Honey, you have to put your DC first, and foremost.
If you have only been with him a year, tbh if you are feeling this noise out of joint and so low down on his list of priorities then you need to be honest with yourself that this is probably not going to work.
A year in to a relationship, you would usually only have eyes for each other, feeling worshipped and adored ,the PAIR of you.
If you didn't have kids, it'd be one thing, and I'd say that you would be bonkers not to get out, but each to their own. The fact that you DO have children, really makes it imperative that go into this happily, hopeful and delighted to be with him, the DC need to be delighted to see their mother so happy and adored by this man.
How long ago were you married? did you manage to have much time to yourself before you met this guy? You really need to spend time to mourn that relationship, to learn from it and to make better decisions the next time around.
If I were you, and in this relationship but not feeling at all valued, this soon in? I'd end it. I'd spend time on my own and regain my confidence, regain my routine and self esteem.
You do say you are a glamorous/well turned out girl, and take great pride in your appearance, so you will not have any difficulty in attracting partners, but this means that you have a lot more chancers to wade through than, say, I would.
You may be proud of your appearance, but your posts are coming over as someone somewhat unsure of herself as a woman. Even insecure perhaps. I mean these words to help you btw, I do hope I have managed to convey that correctly.