Know this, if you are an employer

Interrupting a programmer, even when it's only for a minute, might cause you to pay about half an hour more for the software.

Comic transcript

Panel 1-3:
H is sitting in front of their computer, thinking about many complicated things
Panel 4:
G: Hey! I need your help with ... ah, never mind, I just figured it out.
Panel 5:
H is still sitting in front of their computer. Their mind is blank.