If the project is fun I can work two times as long without fatigue. For example ...

ferentchak on July 26, 2016 | parent | context | favorite | on: Ask HN: Why don't companies hire programmers for f...

If the project is fun I can work two times as long without fatigue. For example if I think this is important and my effort personally can make the difference. Or if I am using a new technology or something that feels like a "portfolio" piece.