The greatest act of love is to lay down your life for your friends. That is what Jesus Christ did for us. This video explains what the love of God is and what it requires of us who love Him.

John 15:12-14
12 My command is this: Love each other as I have loved you. 13 Greater love has no one than this: to lay down one’s life for one’s friends. 14 You are my friends if you do what I command.