for you happiness,i can give up everything including you.
for the sake of your happiness,there's nothing i can't give up,including you
i used to own it,but without realization,i lost it.
i used to have it,but somehow,i lost it.
in fact,you endow a person with the right to hurt you once you love him.
actually,when you love someone,you've given him the right to hurt you.
youth may be wasted,but not for a lover.it's a life time's regret/influence/difference if the right one is missed
youth can be but neglected but not people.it's a matter of a whole life if some persons are missed.