We often say that sleeping around causes women to lose their ability to pair-bond, but the truth is, it also causes MEN to lose their ability to pair bond, albeit slightly less. See the graphic.
It's also an issue that King Solomon had to deal with, he took on so many wives and concubines that he had no capacity to pair bond whatsoever, so he wrote about his inability to find a righteous lady.
It's like if you have 100 golden retriever puppies vs 1. 1 Golden Retriever puppy is awesome, it's your best friend, but a 100 would turn out to be a nightmare, Solomon ultimately compounded David's sin of taken on too many wives, and paid the price for shattering his ability to pair-bond, which caused a lot of grief to Israel after he died since he took on the ways of his Pagan wives and pissed God off.
Additionally, those women that you fornicate with will go on to have children and NOBODY wants a slut for a mom. You are essentially eating the next generation alive by committing women to fornication, thereby fulfilling the scenarios like this that Ezekiel describes:
>9 Because of all your abominations, I will do to you what I have never done before and will never do again. 10 As a result, fathers among you will eat their sons, and sons will eat their fathers. I will execute judgments against you and scatter all your remnant to every wind.’ Ezekiel 5:9-10
The next generation are the sons that you're eating alive by whoring out their mothers; do NOT do that to women, nor to their sons by commiting their mothers to sin. Treat women like you would treat a daughter, you do not whore your daughter out, and honestly I suspect that much of the west's inability to enforce our borders is a result of fornication. Our nation is our daughter and we commit her to whoredom because we commit our own daughters to whoredom.
What goes around ALWAYS comes around, as it is God's way of correcting us, fornication will always manifest and explode in your face sooner or later.