Maybe it's time to move on when,
5) Before pressing send, you have to delete and rewrite the first reply to every e-mail you receive.
4) You give your phone an evil look every time it rings.
3) You no longer exhale, you only sigh.
2) You wake up in the morning, and your first thought is "Damn! I wish I hadn't done that!"
And finally, it just may be the right time to move on when every single thought is "Fuck! I hate this goddamned job!"