Gratefulness is the key to a happy life that we hold in our hands, because if we are not grateful, then no matter how much we have we will not be happy—because we will always want to have something else or something more.
Agape is the love of God operating in the human heart. When we rise to love on the Agape level, we rise to the position of loving the person who does the evil deed, while hating the deed the person does.