Original sentence: Leonard then tells the caller how his own wife died.Sammy's wife, a diabetic, tried to confirm her belief that Sammy could make new memories, and tricked him into repeatedly giving her an injection of insulin
Edited sentence: However, if you look closely at the shot of Sammy in the mental institution, a doctor walks past him.Leonard also tells the caller how his own wife died.Sammy's wife, a diabetic, thinking that Sammy could "snap out of" his memory loss if he had a strong enough reason, tricked him into repeatedly giving her an injection of insulin.The person in the chair changes to Leonard for a second and the scene ends