Those are easy examples and ones that would apply to the west and the east. Let's give up some more common ones used today by the Roman tribunals.
My husband spends too much time at the gym. This proves he did not have the necessary understanding to commit to a true marriage at the time of our marriage.
My wife is excessively devoted to her mother. This shows she lacked the maturity to make the necessary commitment to the husband at the time of marriage.
No. It should NEVER be that frivolous. I have never seen one or worked on one case that was that absurd.
Reasons for annulment listed in Judging Invalidity
©2002, By Fr. Lawrence G. Wrenn
Working out a couple of hours a day in the gym.
Being described as arrogant and selfish with an "I don't need anyone else" attitude.
Saving one's salary in a personal account.
Seeming to be obsessed with one's body (personal appearance).
Ignoring one's parents on one occasion when they came for a visit.
Seeing the world as his apple. (Psychiatric expert's term)
Never being satisfied with a gift given by one's spouse.
Feeling chronically disenfranchised in one's (spousal) relationship.
Not achieving the desired companionship and intimacy one wants in marriage.
Suffering abandonment issues over a father who died. Protecting herself by putting a hard shell around herself.
Suffering from low self-esteem, self-absorption, and a need for attention.
Lacking emphathy and fearing intimacy.
Comparing oneself to others and always finding them happier. About a month before the wedding he drove his mother to a family reunion, leaving her all alone to make preparations for the wedding.
The psychiatric expert described the respondent as porcupinish. He didn't want people near him; surprises he liked even less. It was noted in the proceedings, however, that he was in love with another woman.
The petitioner's mother always resented her. The mother was unreasonably strict and hypercritical.