S elfishness?

human being.
born to be selfish?
or
teach to be selfish?
i wondering .

family
friend
bestiee
lover
or even myself
stick to the selfishness too?

and this "s elfishness"
do harm and hurt human's heart -
a scar that cant be erased,
the reason why others are staying away from u, others are become selfish too.
everyone is scare to lose, thus they are always fighting to win ;
without considering others' feeling.

* I'm obviously dislike u*