"Help, My Mother-In-Law Might Be Living Here Forever!"

If you want a happy marriage, every now and then you have to GRAB THE BROOM.

Monstre, costume design for The Witch, a ballet by John Cranko (1950), Dorothea Tanning

Dear Polly,

How do I figure out a path forward without my soon-to-be mother-in-law here at every moment of my new marriage?

I seem to have no control over how long she stays or when she comes. For context, my fiancé and I have been engaged for multiple years. We bought …