What is LOVE ? Why ?

Well.. writing this might be quite stupid...
But... What is LOVE ?

Does a LOVE can make our life batter ?
Does we Need to have LOVE to keep moving on ?
Does we have to find someone to live with ?
Does we have to said we aren't match anymore while we break up ?
Does LOVE Hurts ?
Does LOVE will make us happy ?

Why Do we need LOVE ?
Why do They need LOVE ?

I'm Missing You... ?
I'm Loving You... ?
I'm Losing You.... ?
Are we Match ?

This questions Does come out always in a Relationships ?
Why Must this questions Come out in a Relationships ?

Tell Me Why?