No, I don’t like really small nor really big. But probably smaller than the average woman’s.
No, they use eyeLINER to make the eyes bigger. We use MASCARA to make lashes look longer, which is the end in itself, not the eyeballs - people love long lashes (mine are supposed to be great, per professionals).
No, when people have really thick eyelashes and a lot of eyelashes the base of the eye looks the color of eyelashes. In most people black or dark brown. Instead of the flesh of the eye lid.
Mascara is used to make eyelashes look thicker.
I am embarrassed to know this but I have three sisters that talked about his incessantly in my teen years.