Alissa Cohen gives some tips on signs that your relationship is in trouble:
1. You become a one-woman consulting firm.
2. You pull out your scorecard and start tallying.
3. You anoint yourself king/queen of the castle.
4. You move from teammates to roommates.
5. You pull out your needle and start jabbing.
6. You stop dating.
7. You move your love tank to someone else’s truck.
8. You kidnapped cupid and you’re holding him for ransom.
9. Words are saved for scrabble.
10. You checked out of your relationship and into your mental hotel.
See the complete explanation in the Huffington Post.