
You deserve to be dumped if you're significant other has been wanting a GPS for eons and then, for his or her birthday or something, they unwrap their gift to discover this:

[$14.38, IWOOT]
This "GPS" device will run you off the road, either due to bad instructions or that sudden urge you're having to smash into the highway divider, thereby destroying both yourself and the SAT-NAG.
Sample line: "I know you’re a man, but it’s been 35 minutes now, so can you please admit you’re lost and ask someone the way?"
[Via Gizmodo]
Related: Cheap Trick: Getting There, Telling You What To Do, Every Step of the Way