why do we make mistake?

we make mistake
we always make mistake
to make mistake is human
to be making mistake is normal
but why people keep on being mad when someone is making mistake?
why do we have to b mad when someone make mistake?
why we must complaint people make mistake?
is it because we hate he/she came in our way?
is it because we hate him/her do not do what we want?
is it because we hate/him do something we hate?
is it?

can we just forget what he/she did to us?
can we just forgive and forget?
no?
why?
is it because we are ego?
we are selfish?
we just hate him/her?
think it clearly
think it thoroughly
think it wisely

cause dat someone didnt mean it
dat someone really didnt mean it
dat someone still needs you
dat someone still wants you