Aristotle uses a mother's love for her child as the prime example of love or friendship.
Conjugal love, or the friendship of spouses, can persist even after sexual desires have weakened, withered, and disappeared.
The ultimate end of education is happiness or a good human life, a life enriched by the possession of every kind of good, by the enjoyment of every type of satisfaction.
Love consists in giving without getting in return in giving what is not owed, what is not due the other. That's why true love is never based, as associations for utility or pleasure are, on a fair exchange.
When we ask for love, we don't ask others to be fair to us-but rather to care for us, to be considerate of us. There is a world of difference here between demanding justice... and begging or pleading for love.