Use the acronym of M.A.I.N. (Mindfulness, Attitude, Insight and non-clinging) towards mindfulness of wholesome emotion can lead to development and maintain these beautiful states of mind such as generosity, lovingkindness, compassion, joy, happiness and wisdom.
Continuing practicing to bring up someone who inspires us genuine uninterested love, so we can move on to wish metta for ourselves for the benefit of transforming our hearts