(Background, DH is an only child and she sobbed the day he moved in with mead I'd stolen her baby).
MIL has surpassed herself in the passive aggressive stakes. 10th wedding anniversary card arrives, she's consistently spelled my name incorrectly throughout. And I mean it's a real stretch to misspell my name. I never rise to her as it would upset DH but I know she won't be able to resist and will say something like 'oh I'm paranoid I made a spelling mistake on your card'. WIBU to respond 'oh no worries, probably a senior moment!'?