When you find that your husband is having an affair.
Global stock markets during corona virus pandemic.
Highlights of Liverpool versus Barcelona return leg match..
When i launch my unit tests.
When your code breaks at the very last commit.
IAF shot down one Pakistani F-16 while one MIG 21 crashed in PoK with pilot MIA.
When you reach end of the map in a video game.
When you accidentally delete the production data.
When code breaks just after you check in.
When your check in breaks the whole code.
When you copy paste a code without understanding the underlying concept.
When you remove one line from legacy code.
Going to bathroom through a busy hallway.