In Tuck Everlasting why might Tuck be envious of the man lying on the ground?

In "Tuck Everlasting," Tuck may be envious of the man lying on the ground because the man represents a life that is finite and filled with the natural cycle of living and dying. Tuck, who is immortal, longs for the experiences and emotional depth that come with mortality, including the ability to grow old and ultimately find peace in death. This contrast highlights Tuck's feelings of isolation and the burdens of eternal life, making him yearn for the normalcy and closure that the man possesses.