People having sex looks like dogs mating. How are people not disgusted by that?

I can’t understand how two people get so excited to have sex it looks disgusting, like two dogs mating. Literally disgusting. I don’t even know if something is wrong with me, but it just looks gross. Today I saw a post on reddit of a couple caught doing it at work. Literally so disgusting, like two animals mating… how do people voluntarily do that? I'm asexual, and I can't understand why people do it. I can't even watch porn because it disgusts me so much. I don’t have any trauma etc. It always was like that for me.

Sorry if I offend anyone’s feelings, but those are my honest thoughts as an asexual person. Does anyone else feel the same?