4 Horsemen Of Doom

I remember hearing about the 4 horsemen for relationships in a sociology class many years ago.  I agree with them (just think back to when you or your partner exhibited any of these things and what happened).  The 4 horsemen:

1. Criticism
2. Contempt
3. Defensiveness
4. Stonewalling

I am a stonewaller, I'm sure this is of no surprise to anyone, lol.