6) That conversation you know you aren’t supposed to be having while in a committed relationship:
You get that seemingly harmless message from an ex. Suddenly, the spark becomes a full-fledged forest fire, where you’re talking to him/her every single day. Next thing you know, you’re in a relationship with two people. Opening that door just a little bit can change your life forever. The fire of Facebook can burn your entire relationship house down, so use that power responsibly.