外貌协会?

I always heard people said, " love me,Love my scar" "Love is blind"
Well, those word does really exist in reality?
I'm curious is it love make everyone blind or ignore everything.
Some people fall in love at first sight,but is that name as "love"?
Some people feel that was in love when girls/boys are chasing him/her?，is that name as "love"?
Some people treat others as replacement,is that name as"love"?
Seriously,I'm so curious.
Lots of people told me that, Love a people doesn't care their looks.
But,how come almost those ugly people get pissed off? But,I saw many girls will stick together with some messy guy?
Do anyone can show me a table about differences between love/like/dubious relationship?
Do anyone can show me a table about differences between Friend/couple/ex-gf ?
Anyone,please?

Hey,
fcuk you. don't you ever stare at me like that,
Come and find me if any comment.

Nah,specially for you,
Jerk