“Are you still there, Mr. Brennan?”

“I’ll be on the next plane,” I managed.

I don’t remember driving to the airport. I don’t remember buying the ticket. The next thing I knew, I was sitting in a cramped seat at 30,000 feet, staring at the back of the headrest in front of me, my hands trembling. The man next to me asked if I was okay. I couldn’t answer.