Boss: Oh can you add this feature?
Me: I added that function already and you said to take it out.
Boss: Can't you just copy and paste it from an earlier version?
Me: No its really not that simple, I removed a bunch of tables and went to town cleaning the code so it's super quick and "sexy fast" as you put it.
I go home, work all night and forget to eat.
nextDay++;
Boss: Actually just hold back on that, I'm having second thoughts.

When a project seems to be in an endless for (fucks sake) loop.