[bitwize]

That kind of aligns with Guy Steele's experience pair programming... with Richard Stallman: "My first thought afterward was: it was a great experience, very intense, and that I never wanted to do it again in my life."

https://www.oreilly.com/openbook/freedom/ch06.html

[Tabular-Iceberg]

It helped that they were working on an interesting problem. Most problems that need solving are not interesting.