We all have that one ex who managed to shatter our hearts into a million pieces, then insisted upon staying friends with their exes, namely.. you. For some of us, the idea of being friends with an ex is unthinkable - if only because it would be too hard for us to actually deal with being around them. It almost seems like you’d have to be total psychopaths to keep people close after a breakup, and according to scientists, that very well may be the case. Here’s why having that ex who wanted to “stay friends” post-breakup should be considered a bullet dodged.Did you ever stay friends with an ex? Tell us in the comments section below!