Fortunately, I don't fall into the category of having a selfish spouse but
If you check off a vast majority of the boxes on this list, the odds are your favor that you are on treacherous ground.
1. May propose love and marriage within only a few weeks of starting a relationship
2. Very charismatic or charming at first, but can quickly switch from Dr. Jekyll to Mr. Hyde without apparent cause
3. Extreme infatuation with oneself, self-centered, expects to be recognized as superior, preoccupied with fantasies of unlimited power, success, brilliance, beauty, or ideal love