I spent a long time composing my note to Melinda after that. I was so nervous about it, I forced myself to leave it unsent overnight so I could look at it with fresh eyes in the morning. New Year’s Eve dawned stunning and clear, a gorgeous, snow-bright day. I opened my computer and read:

M,

I know what you’re afraid of. But I’m not fragile. Please trust me. I know myself, and I can make these choices about my safety. Tell me when our next research ...