If that is all that is needed to separate them, they should have stuck to a one night stand.......

No. Look at Siskel and Ebert.

I think mos trelationships fail due to dishonesty and/or a lack of communication.

A man and a woman who do not like each other will eventually divorce, often, no matter what their religion says

I know a lot of couples that liked the same films that got divorced, my marriage for one.... so!

Relationships fail due to bigger reasons than movie choices:

1. Selfishness, narcissism and unbalanced ties.
2. Not making the relationship a priority.
3. Angry outbursts and rage.
4. Infidelity.

"The Top 4 Reasons Relationships Fail," by Melanie Greenburg, Ph.D., Psychology Today, March 31, 2015.

[psychologytoday.com]

"A man and a woman who do not like the same films will eventually divorce."

Sounds like a fortune cookie message.

A scientifically proven fact.

Even if they were never married?

Other reasons like abuse take precedent over movies. Actually x-box junkie is a major difference one of my exes and I had-addiction to video games.

#1 cause of divorce is financial stress. This leads to other problems arguing (excessive; some is standard it's always going to happen), infidelity, etc. The first problem is financial though in most cases.

if only i'd realised what was to come when my ex used to watch all the lesbian porn.....

That depends on how much they make of it. My husband is not much of a movie person at all so I watch what I want alone, with my son, with friends, and I'm cool with that. We have been married 23 years.

Its more a matter of how important they feel it is to do everything or most things together and how much they can just let each other do their own things yet still come together over household and family matters.

Last thing I remember reading on the top reasons people get divorced is more along the line of disagreeing horribly in money matters, raising the kids, and religion... not movie differences.

No...my (late) husband and I had different tastes in movies. He would watch his horror movies when I wasn't home. I liked romantic comedies, that I watched when he wasn't home. When he watched sit-coms, I read or graded papers. We had 17 good years. So, not necessarily.

Do married men and women EVER like the same movies? If they're watching the same one, likely the husband is humoring her, and wishing he could get back to the football game.

Besides, married couples don't need movies as an excuse to divorce..any reason will do.

The smart ones will simply watch what they want.