I used to feel the same way, however I realized years back that me specifically feeling that way was due to yet another thing my parents brainwashed into me.
(This is just for personal context)
I respect everyone's valid opinions, and I understand how many sexual partners may seem, gross.
Feel free to think what you will about me, no matter how lesser I may seem to you, but I'm extremely easy to get in bed with. I document every sexual encounter like a trophy, and I list every unique person I have had sex with. This also, helps if something unhealthy occurred, I would know who to reach out to, to warn and seek medical attention.
Anyway, I love having an insane amount of sexual partners, it makes me happy. I sleep at night knowing I made someone happy, because I give them a little of my heart when I'm with them, I'm intimate with everyone, and learn their ticks in the short amount of time I'm with them, and comfort those who do present vulurabilities. I will even try to get to know them and help them through personal issues.
I happened to have met this one complete stranger on Grindr, and after we had sex, I got to know him a bit. At some point, I accidentally stumbled upon a question that triggered a recent traumatic memory with him, and he broke down. I immediately hugged him and pet his head, assuring him that I'm here for him, and life is going to be okay. He has since been an amazing friend, and doing great, we have stayed pretty close!
Sorry this was all over the place, but I felt I needed to play the devil's advocate, and present the opposing side. I have sex with almost everyone because it's an easy key to people's minds and more importantly, hearts. My vulnerability presents to them something they don't see often, a complete stranger, who they can vent to, and experience strong emotions with. Someone who will not judge or threaten them. I'm more myself with strangers than I am with anyone, as I do not have many friends, and my living situation is not pretty.
I also have sex with almost everyone because it makes me happy, and it makes them happy. No matter how little the other person expects the encounter to be, I'm their escape for the night. And if they want me to be around for a bit longer, I get to know a beautiful person and help them improve themselves, or just watch a movie and laugh together playing a game or discussing history!
Sex is a key to a much bigger goal, however I do enjoy sex a lot, so if the other person doesn't want more, I'm still happy. I document sex specifically, because it's fun to read and share, and remember. I'm proud of how many people I got to spend time with as well as share my body and intimacy with.
Sorry for the absolute messiness of this post's structure.