“Many people have a wrong idea of what constitutes true happiness. It is not attained through self-gratification, but through fidelity to a worthy purpose.”
(Stephen Hawking, 1942-2018)
I would add that any healthy relationship can provide a mirror that reflects as well the best of who we already are. Attention to both — to our underlying dignity, and to areas where we could become our better selves — can arouse in us the desire for personal growth.