The Greatest Commandment: What is Love, according to St. Thomas Aquinas?

At the heart of the Christian life is the great commandment to love the Lord our God, and our neighbor as ourselves. But what does that actually mean? How do we actually do it? How can we tell if we are improving at it? In this talk, we will draw insights from the great doctor of the Church and theologian, Saint Thomas Aquinas to unpack the mystery of divine love, specifically as it dwells in us in the theological virtue of charity.