Back story:
DP moved in with me and my DC a year ago. He was renting a flat for £500pcm before this. We spoke about him moving in and he said he'd pay me the £500 rent. I agreed at the time but now I feel resentful and I don't know if AIBU.
I own my house and the mortgage is relatively small, I have 4 DC and obviously don't expect him to support them. I lost around £800 per month in tax credits when he moved in as I was no longer eligible. We are both self employed. I pay all the household bills, buy the food (cook the food) do the laundry/ housework, childcare etc. My monthly bills inc. utilities/mortgage/sky tv etc are £1500.
He does the dishwasher most nights and moans about the kids not helping around the house, if I asked him to hoover he would and he does any DIY that needs doing or fixes stuff when it breaks. He buys occasional shopping/wine/takeaways/meals out. He paid for some wood (around £300) for a project in the garden and spent a few days making it recently (I paid £2k for the rest of the project finished by a professional)
I know it's not his house and they are not his children but I feel like he's getting a really good deal for £500 a month. He paid that in rent but then paid food/utilities/council tax etc on top before he moved in. I am 20 weeks pregnant with his baby so my costs are going to go up. We have had a few conversations where I've said I'm supporting him but he maintains he pays his way/contributes.
AIBU to ask him for more?