the grass is always greener on the other side

feel better alreadi.
no regrets.
but i'm confused.
was talkin to sophie & she got me thinkin.
does it work this way? as in, there'll always be better opportunities and all, but does it work this way?
den if everyone thinks like that, won't there be alot ppl left hangin there, jus cos the grass is always greener on the other side?
jus a thought.