Dear Sugar Letter #33

The Sunk Cost Fallacy

“The Leaving Woman,” 1964, Eduard Isabekyan, via Wikimedia Commons.

Dear Sugar,

I'm a 28-year-old woman who has hit a wall. I'm devastated. When I turned 27, I was diagnosed with melanoma and had surgery right before Christmas then reconstruction after New Year's. I've been on the up and up, building more strength than I've had before and getting into roc…