According to the General Social Survey, 20% of married men and 13% of married women reported having sex with someone other than their spouse.
In the United States, 17% of all divorces cited adultery on the part of either or both parties.
But 70% of married women and 54% of married men reported they didn't know of their spouses’ extramarital affair until their spouse confessed.
And how did the other 30%-46% figure it out?
Reddit user Ok-Still2345 asked:
"How did you find out your significant other (SO) was cheating on you?"
Out of the Mouths of Babes
"Hell, my 5-year-old grandson told me!
"He said 'you ain't my favorite pop pop...Rodney is!' I said who the f*ck is Rodney?'."
"The rest is history."
~ Able-Acanthisitta681
STI Was a Big Clue
"My best friend had chlamydia she got from a hook up. And then weirdly enough my fiancé at the time started having symptoms of, coincidentally, chlamydia!"
"This was the 2nd partner she had done this to me with."
"I had just gotten out of the hospital for a spine surgery, so thankfully I didn’t contract it."
"I gave him a ride to the Walk-In clinic (he couldn’t drive) and left him there."
~ brokenbackgirl
Keep It Down Over There
"Neighbor called me asking if we could be a little more quiet with the sex."
"I was in another state."
~ gooberhack
"This is how my neighbor found out her newborn child's father was cheating on her."
"She was working an overnight shift and their other neighbor (I was away) called in a noise complaint for a woman screaming."
"Dude was having sex his ex while he was supposed to be watching his newborn."
~ kaloonzu
Friendly Exes
"Oddly enough my ex-girlfriend (call her A) at the time told me."
"She messaged me asking if me and my girlfriend (call her L) were still together.
"I said yeah."
"A sent me a picture of L grinding on some dude's lap at a party."
~ CystandDiseaseLetter
Making a New Friend
"I caught an ex in my 20s in a similar way. My friend called me and he was like 'hey man are you still with her?'."
"'Yea why?'."
"'I'm going to send you a picture, I'm here right now, sorry man.' It was a picture of her on some dude's lap at a house party making out."
"I drove to the house, parked outside, texted her the picture, then walked inside. Walked up to her, told her we were done, looked at the dude, said 'congrats she's all yours now' to which he responded completely clueless that she had a boyfriend, and yelled at her."
"She left. He and I proceeded to get sh*t faced together at that house party and became really good friends for about 5 years before he moved to the other side of the country."
~ burkechrs1
Her Friends
"Her best friend called me and told me. She was very gentle about it, knew it would hurt a lot."
"Eased me into it, provided evidence, wished me a good evening."
"When that friend and I ended our convo, I called my then girlfriend and informed her about what happened. It felt good to have a counter to every excuse or lie she tried to retort with."
"Going in prepared spared me from just going back to her, probably."
~ danielstover
"My ex girlfriend's best friend did this for me as well."
"It was my birthday and I invited them all to a hotel in socal to celebrate. The friend pulled me away and said my gf had slept with like 5 people during our relationship."
"She saved me possibly years of heartache."
" Funny thing is, she hated me. She only told me cause my ex pissed her off."
~ Pawn_captures_Queen
"My ex's friend all summer kept referring to me as 'Scotty' and I kept asking why and my ex would get mad and 'sshhh' them."
"I finally found out that it was a reference to the song 'Scotty Doesn't Know'."
"Oof. This was in high school."
~ kikistiel
His Friends
"I had an ex whose friends were the reason I found out he was cheating on me after deep cleaning his apartment while he was in the rehab that I helped get him into."
"Real solid dudes. Wish I kept in touch with them over the years.
"They saved me so much grief."
~ tenderourghosts
In the Clouds
"Shared cloud storage photo album had backed up some damning pictures."
~ notyourregularninja
Photo Finish
"Had a picture on his phone of his side piece in our home holding our child."
"My head exploded."
~ Lady013
Gaslighters
"Found a long, maroon-dyed strand of hair in his BEARD."
"I have short blonde hair."
"Funny enough, he had constantly accused me of cheating beforehand."
~ MiniJackalope
"My ex husband was the same way."
"He swore I was cheating but it was him."
~ ddgg17
"My ex too, yeah. She blew up at me several times to accuse me of cheating while she was visiting her sister over Christmas."
"Her roommates informed me that she had a threeway with some random guy and her cousin on that same trip."
"Honestly at that point I was glad for the excuse to dump her."
~ camelCasing
Surprise Gift
"We were living a few hours apart for a few months because of work. I was driving up every weekend to see her."
"She called me and told me that she had to go see her dad or something that weekend. I knew she had been super busy and stressed at work and she loved wild flowers."
"I spent all day Sunday picking wild flowers, bought a vase, and drove up to the house she was renting, intending to drop them off on the porch so she'd see them when she got home that night."
"Her car was there. A sport bike was parked next to it."
"And she has never been quiet in bed when she didn't have to be."
~ JeevesTheRunner
Right Person for the Job
"I received an 'anonymous' email from someone who felt I 'deserved to know' that he was seeing someone else.
"The email included details about the relationship and several screenshots."
"99% sure it was sent by his side chick who wanted a promotion to main chick."
"I gracefully gave her the promotion and he found a replacement for her old position shortly thereafter."
~ apostate456
Ignorance is supposed to be bliss, but there's one thing all of these stories have in common.
Everyone was happier to end a relationship with a cheater than continue being lied to.