Exactly. This goes for any relationship, married or otherwise. No one ever knows anything about someone else with 100% certainty. For example, my brother could be telling me something and I believe him but can I honestly say I KNOW EVERYTHING HE HS EVER TOLD BE TO BE 100% true all of the time? That's just life. You believe it until you are proven otherwise or given reason not to.
I will say, for most married couples, it is true that the head game drops dramatically. Most of my married friends, BJs are for special occasions only and about half of them don't mind it that way while the other half does long for the more frequent BJs of the past. For me, it's actually increased and head is part of foreplay now so I get head before actual sex everytime.
Actually, in the US, divorce rates is the lowest it's been in almost 40 years. The peak in the US was in 1980.
http://www.bgsu.edu/ncfmr/resources...derson-divorce-rate-us-geo-2015-fp-16-21.html
http://time.com/4575495/divorce-rate-nearly-40-year-low/
The problem isn't marriage,
THE PROBLEM IS YOU. Men and women blame the other person for their marriage failing, blame society, blame everyone but themselves.
It's like the men who claim all women are hoes and the women who claim are men are assholes. If you fall into either of the previous two categories, it's because
1. You are attracted to hoes or assholes OR 2. Your actions attract hoes or assholes.
Don't blame people for your failures, your inability to select and choose a person to be with for the rest of your life. Heck, if you don't want to get married, don't. This day and age, you can choose not to get married and no one cares. If you want kids and don't want to get married, you can do that. But if you ever break up with her, it's still child support until the kids are of age.