This went on all evening. He'd doze, wake up if I paused, doze, wake up. It wasn't only the sheer hours he put in doing mathematics that was unusual, but also the occasions he decided to do it. A funeral was as good a place to do mathematics as a wedding was, and holidays didn't stand in the way either. Christmas is a very big deal there.
Families get together and open presents.
The city stops. The buses don't run. You have to book a taxi days ahead of time. We were all dressed up, waiting for a taxi, to go see some friends. We were standing around when all of a sudden there is a pounding on the door.