I've been with my DP for 18 months, loved together for a year. I have a DD (7) from previous relationship. He has a DS (8.5) and DD (3.5) from two previous (two separate exes). His children stay over Friday to Sunday every other weekend. My DD goes to her dad's every Friday night and comes back on the Saturday - lovely child free slash house clean up time. My issue: DP wants to work overtime every weekend and thinks it's reasonable that I should spend my weekend that they're here looking after them. He says the money comes in handy. I don't see the extra money; we have separate accounts and we both put equal amounts into the 'house pot' each month, any extra he earns he keeps. I am beginning to resent my free Saturday down time being taken advantage of: I'm a single parent all week (it's me who makes her meals, washes her, clothes her, makes her packed lunch, all the things parents do - I do) and I don't expect him to do anything because he's not her parent (and she wouldn't want him to wash her/put her to bed anyway). So I enjoy my free Friday night and Saturday day off... but he expects me to look after his children. I accept they're part of him, but equally, they're his kids, they visit to spend time with him, he should not work when it's his time with them. Side note: the 8yo boy is lately full of attitude and the 3yo girl is very tiring to entertain (been there done that, it was my choice to have one and now feel like I'm back in the dummy and nappy phase. Another thing, I take unpaid leave over the 13 weeks school holidays to care for my child and DP is now asking if I'll have his two so 'we' can have them longer in the holidays. I said of course he can have the kids over, it's his home too, but he needs to be off with them too. He doesn't seem to understand that I'm taking a financial hit and yet I'll still be putting 50% in to the house pot, he hasn't said he'll make up the short fall (and I don't expect him to, it's my lifestyle choice) so I'll resent being used as a free childminder so him and his exes can work and not lose money (one ex works, the other doesn't). I need to find a way to tell him that his kids are of course welcome in our home, but they come to see him not me, and I shouldn't be taken advantage of. Also, he doesn't drive, so it's me who ferries everyone around with no petrol contribution. Just looking for some honest opinions, AIBU?