The X-Factor

I think some people are just put on this Earth to annoy me. Take the X for example. My husband's ex cheated on him with the guy she lives with. She left him and eventually moved in with this guy. They have been together around 8 years. I have only known my husband for three years. My husband's ex-wife and her live-in-boyfriend treat me like I was the one that split the not-so-happy family up. Personally, I think the "threes a crowd" is what split the family up. Some people will never learn...