There are many beautiful reasons to develop loving-kindness meditation and one of them is deeper samadhi/concnetration. By developing the Five Jhana Factors in Metta meditation we can come to know wholeness and focus within our own hearts, minds and bodies.
The rivers of practice meet awakening--deep insight and connecting with and embracing our shadows--as unclaimed parts of ourselves. In service of wholeness.
The Fourth Brahma Vihara--Upekkha/Equanimity--is a tender, steady love that rest peacefully in the truth of how things are. This expression of love grows out of wisdom and lots of perspective.