The only beef i have with Wim Hof is he says one's attitude matter in following his method. He says a person should be open minded and accept without ego, somet

The only beef i have with Wim Hof is he says one's attitude matter in following his method. He says a person should be open minded and accept without ego, something along those lines. The problem is its not quantifiable and kind of cop-out, so I don't take it too seriously.