Apart from the obvious...infidelity, there is the financial lie/secret. I know of men who get raises and do not tell their wives and then put the extra into a separate unknown account for their own personal use. The same men have gotten bonus checks and never told their wives about it. There are men that I know that have actually gone so far as to purchase property and not tell their wives because they did not want to deal with her knowing he had spent money on a piece of lake property which she had seen and said no on. There are men (and women for that matter) who make purchases and tell their spouse that the purchase price was much smaller than it actually was. I think the financial lie/secret is one failing used by both men and women.
I don't know I have learned that the best and easiest way to go is honesty. I have never lied to my wife since we met 7 years ago ! Maybe thy are not honest from the get go and thats why thy have to lie and hide things from their spouses and some times stumble over their lies .
Well That They Flirt With Other Ladies, They Look At Other Ladies, They Go In Search Of Ladies That Will Try What You Will Not, Maybe They Have Found A Girl That Maybe Able To Do The Things They Want And They Still Love You But Your Not Into Their Fetish ???? There Is A Lot Of Things But There Are A Few And I Should Know I Am A Man I Have Never Cheated On My Ladie But, I Have Thought About Having Things She Will Not Do And She Even Said Once I Ain't going to Do It Find A Girl Thats Into It And Get Her To Do It So It Is Sometimes Brought On By The Female !!! So Just A Few Thoughts Hope I Was Helpful...???? Women Are Complicated Very Much So In My Opinion...
That they cheated on them!! How many Sex partners they had in the past..
A lot of different secrets are kept form the spouse during a relationship if the person is not dedicated to the relationship. If they are unfaithful or disloyal to you when you talk to them they are usually lying to you