There's a reason exes are exes. Whether they're thoughtless, weird or just plain mean, it's often best to leave them in the past and move on to better things.
But while we all think we've had the "worst" ex, it turns out the grass isn't always greener.
An eye-opening Reddit thread asks users to share the most awful thing their former girl/boyfriend/date had ever done to them and the results are pretty harrowing.
From having a baby with your friend to being dumped on Valentine's Day, by the end of the piece you may even be grateful for your exes.