about a person changes from a different body when they die.
FantasyLover The Methuselah Complex
Jacob Greene is given the gift of the Methuselah Complex by his Uncle. With it, when Jacob dies, he takes over the body of a different young man who just died, and who was born near the time Jacob reached puberty. Jacob learns things about the power of the Methuselah Complex that his Uncle hadn't figured out, things that makes his new life much more rewarding. Warning: Spanking and minor domination involved.