Idiom:

Rob the cradles ( marry someone who is much younger )

Hit the book:
Camouflage
Gator
Gut-wrenching
Tangle
Debris
Venomous
Convey
Assembly line
Bleach

During the dives, Glenn wears a black and blue wet suit, weights and an air tank he paints in a camouflage pattern to hide from any curious gators.
Glenn says that some of his most gut-wrenching run-ins include an alligator tangled in his diving gear, or becoming stuck to debris at the bottom of the lakes.