Did you ever want to be an only child? I never did, but most only children say they loved it because they got everything they wanted and everything

Not all are spoiled. It really depends on the culture and character of their parents.

[quote] They have to deal with the fact that the world no longer revolves around them[/quote] - Every child learns this at some point, regardless of their status. Being an only child can make it more difficult socially - some things are just learned a little later, when you start to communicate with peers more. that is why children have to play with other children (face to face) a lot. They learn so much from interacting and solving things together.

Sadly, I have met many adults who still think that they are the center of the universe. Main trait: inconsiderate.
I actually feel bad for them... life will teach them, eventually. It must be a big shock for them, waking up so late.
They will only know when they meet and clash with someone like them xD