I doubt love is a large factor here, it is definitely a cultural thing.
Many of my friends still live near their families and love spending time with them, but you are viewed as a failure in society if you cannot survive on your own. If living at home with your parents wasnt such a bad stigma in cultures I'm sure more people would do it as they also love their families and it makes economic sense.
Also most people leave their families when they go to college, often not in the same town the grew up in, then take a job likely not in either town they grew up or studied in making it very difficult to live with your parents even if you wanted to ignore the stigma of it
Honestly, even as an introverted kid, I liked visiting my friends in their stilt homes and hanging out with the various families. Having everyone together and able to support each other was nice.