If at the Altar of the Eucharist we realize our need for conversion with an intention to make right a wounded or smarting relationship, such is preferable to massaging our pride by holding a grudge or resentment.
The Lord Jesus gives us spiritual food and supernatural strength (faith, hope, and love) to seek his face and to prepare ourselves for spiritual combat and testing.
Love, in the Catholic tradition, is a decision – it is the decision to will/to desire the good of the other person. Love is not egocentric; it’s other-centered.