Unrequited love is something we've all experienced at one point in our life, as it is practically unavoidable. Romantic feelings can't always be helped, and you don't choose who you fall in love with. What you can control is who you tell… if you fall in love with someone who is in a relationship we can sympathize, as that sucks. But the last piece of advice we'd give you is ‘tell the dude’. This woman did not have the good grace to keep quiet about her crush, and straight up told an engaged man…