Man vs. Wild star Bear Grylls stopped by a Florida prison last week to tell inmates about the one survival tool he can’t live without: his faith. During a visit Thursday to the Tomoka Correctional Institution in Daytona Beach, the British adventurer, who has eaten animal eyeballs and camel intestines and confronted some of the world’s most poisonous snakes on his popular Discovery Channel show, said his relationship with Christ is what gives him strength.