For me, it was getting a new boss that talked down to me and ignored the fact that I've been doing the job for ten years.
Made me go into the "Why should I give a 𝖿uck?" mode.
Lack of payment, lack of praise, not believing in the result...
Having a life
Repetition. If all you do is the same thing all day it loses its meaning.
Change is the spice of life. Even if it looks scary at first.
In the end you wont learn much if nothing changes ;).
love affair with boss..