My Son Spent Weekends with My Sister, but I Froze When He Mentioned His ‘Other Father’

I’ve lived most of my adult life with two unshakable truths:
I would burn the world down for my son, and my sister, Lydia, was born with a kindness big enough to patch every hole in my life.

Lydia has always been that way—quiet in the way she moves through a room, but enormous in the way she loves.