The Book of Mormon: Another Testament of Jesus Christ, invites us to partake of the fruit of the Tree of Life. The ancient prophet Lehi had a vision of the Tree of Life. His son Nephi wanted to find out what the Tree of Life symbolized. He found out that the tree and the the fruit symbolize the love of God as personified by the Only Begotten Son of God, Jesus Christ, the Savior of the World.
The love of God, manifested by Jesus Christ, has the power to let us feel the most happiness ever. The best explanation of how to partake of the fruit and the feel the happiest you could ever feel is found in the book, Following the Light of Christ into His Presence, by John Pontius. Go to http://followingthelight.org to learn more.