The healing power of even the most microscopic exchange with someone who knows in a flash precisely what you’re talking about because she experienced that thing too cannot be overestimated.
I’ll never know, and neither will you, of the life you don’t choose. We’ll only know that whatever that sister life was, it was important and beautiful and not ours. It was the ghost ship that didn’t carry us. There’s nothing to do but salute it from the shore.