My MIL looks after my SIL's children every day so SIL can work (I might add SILs partner - and dc father - doesn't even work!)
I occasionally ask her if I'm stuck for example in the holidays I might ask for a day here and there. But I always get the impression it's a big ask as she's already got so much on her plate with SILS dc
Tbh that part doesn't really bother me, but what pisses me off is she also takes SILs dc on holiday. While SIL has a nice child free break with her dp. They've been twice this year. whereas mine never even get asked.
I'm just saddened by it and also H never says anything to her about it.
Aibu?