Responses

I donβt think it was claustrophobic but PTSD. In the early chapters, you can see him getting beaten/slapped up by a member of his family being coerced to discipline him. And after he got slapped by the butcher, you could see snippets of that scene again. He was quite young when this all probably started and that much trauma can be very paralyzing no matter how big or strong you get.
For such a strong and muscular man, I did not expect him to be claustrophobic