Joel and Nish are introduced to what initially appears to be an extreme form of hugging but is in fact a style of wrestling. Joel then gets thrown to the ground by a stampede of very strong women.
Joel and Nish learn the art of wild pig hunting by shooting at melons.... makes sense.
Joel has heated cups placed on his back to help release toxins and unlock his chi energy... apparently.
Joel and Nish learn the skill of building a roof out of leaves in the heat and rain of Brazil.