Why does a girl look down when you look at her?

Anonymous
1- when a you look at a girl and it happens that she was looking at you, why does she look down?
does it mean that she likes you?

2- when you pass by a girl and she looks sideways at you what does it mean?

3- when you stare at a girl and when she looks up she finds out that you were staring at her why does she look up again to stare at you?
Why does a girl look down when you look at her?
4 Opinion