My DM has taken against my SIL. Thinks she's inconsiderate, treats the house like a hotel, is tight, etc.
I can see some truth in her criticisms, though I also think SIL is kind, fun, a good mum to my niece and makes my DB happy.
My DM can be quite critical generally and does 'take against' people. Once you get on her wrong side, it's quite hard to get back! And it's been a hard time for us as a family as my DF died a few months ago, so obviously DM isn't in great form more generally.
Should I say anything to my SIL? I'm really wrestling with this. If it were me, I think I'd want to know. But at the same time, it's pretty sensitive and my DB in particular may think my DM should just suck it up.
I am trying to gently push back when my DM says things to me against SIL, including pointing out where it's actually DB who's at fault!