The price of a successful relationship is devotion. Devotion is, essentially, commitment to something we value. We are devoted to the wellbeing of another person and the wellbeing of the relationship. We honour the value of the other person and we honour the worth of the relationship.
Never give up on love. It is easier to give up in search of a better prize, because the brain always keeps craving for new stimulants, but this way you only keep on searching, never to find peace in love.