Sibling wants to stay out of brother’s woes

DEAR HARRIETTE: My brother and his wife are separated, and things have gotten messy. Because it seems that they have come to a standstill, now his wife’s family has started reaching out to extended family members – including me – to encourage us to try to get them back together. I don’t want to get involved.

This is their business. I can’t imagine that there is anything I can say or do that will be…