16 people share their insane stories that defined 'crazy ex'

People date, people break up. It's part of parcel of relationships. But some people just take it to the extreme. 

How did your "crazy ex" become your "crazy ex"? College Humor compiled some of the most shocking answers from R/ASKREDDIT. 

From one woman asking her boyfriend to euthanise his dog for 'taking up too much time', to a man strangling his girlfriend with a HDMI cord for not straightening her hair, you would start to think your ex stalking your Facebook is completely harmless.