What helps Todd vome out of his shell In dead poets society?

In "Dead Poets Society," Todd Anderson comes out of his shell primarily through the encouragement and support of his teacher, Mr. Keating, and the camaraderie of his peers. Mr. Keating inspires him to embrace his individuality and express his thoughts, while his friendships with the other boys provide a safe environment for him to share his voice. The pivotal moment comes during a class exercise when Todd is encouraged to recite poetry, which helps him gain confidence and realize his potential. Ultimately, these influences empower Todd to break free from his inhibitions and assert himself.