• Love is a momentary upwelling of three tightly interwoven events: First, a sharing of one or more positive emotions between you and another; second, a synchrony between your and the other person’s biochemistry and behaviors; and third, a reflected motive to invest in each other’s well-being that brings mutual care

    Barbara L. Fredrickson, Ph.D. (2013). “Love 2.0: Finding Happiness and Health in Moments of Connection”, p.21, Penguin