Good sex is not overrated. It can be immensely satisfying, fun, and romantic, depending on what one is into. It’s not for everyone, but for some, once you find the right sexual match and develop some experience with it, it can be so great. It’s also very healthy for people to have a good sex life.
“A good sex life” will vary and be different for all.
I do it a bunch of times for the same reason I also CTRL+C a bunch of times when I need to copy on windows.