I feel strongly that so many emotionally immature and unaffirmed persons are marrying for the wrong reason. They should truly feel and know their God-given, intrinsic value before marrying. How can one accept true love from a spouse if they don't understand their own worth?
I'm told Tribunals take all this into account.
Two great books on the subject: Feeling and Healing Your Emotions and Healing the Unaffirmed, both by Dr. Conrad Baars, M.D. expound on this.
One other example I heard, dealing with annulments: Mr. Jones sells a home to you. Upon moving in, you find severe and intentional lack of disclosure regarding the history of the home and its issues. The Seller's Disclosure stated 'no' when the truth was 'yes'. False pretense.
Another example: Mr. Jones sells you a home and then you find out he has dementia and cannot understand or know what he is doing. He was not in good mental health to conduct such a transaction. Incapacity to enter a marriage.
Both of these demonstrate problems with the marriage at the time of the vows; no one would argue, the house sale is null and void. It never happened.
These are a few of the grounds for annulment.