Do I Have to Pretend I Liked Her?

Dear Judy
My brother’s wife just died. She was awful (When I say: rude, stingy, bad-tempered, you’ll know what I mean). Also: she wasn’t even nice to my 2 kids who are 11 and 13, and they’re pretty well-behaved. She never gave them so much as a birthday card.
My brother though is in a bad way.  [...]