While uploading a project to the production server:

When your UI crashes and you failed to save your work:

While trying to fix a bug at 3AM:

When you manage to fix a bug that no one else was able to:

When the project you wanted is given to another developer:

While showing your boss that bug that you fixed:

When you upload code without first  testing it and it works:

The first time you apply CSS to a webpage:

When you run your script for the first time after working on it for several hours:

What happens to your team at the office while you're on vacation:

When your boss is looking for someone to work on someone else's project:

When your code doesn't work when it's supposed to:

What happens when you submit a project full of bugs to your boss:

While executing a database script, the company database gets deleted.