Inflicts suffering on himself to show it isn't going to trouble him, that's Macho Masochism. See Emotionless Reptile for any kind of animal generally depicted as currently being this. Regarding design and Over-all high quality, I'd personally choose the Renu therapy tub around the Blue Cube or Morozko, and also https://maps.google.ws/url?q=https://www.renutherapy.com/collections/hot-soaks-tanks