This feels like a big insight, that when my current project has a "cliff" after which it will end and cease to be important (to me, or so it feels), motivation

This feels like a big insight, that when my current project has a "cliff" after which it will end and cease to be important (to me, or so it feels), motivation is very difficult. I will be thinking about this at work today, and of ways to convince my brain that there isn't actually a sharp end.