Conversation so far:
What was Sessue Hayakawa's life like growing up?
From a young age he yearned to go overseas and took on English studies in preparation. His father was a head of fishermen's union with some wealth.
What failure befell Sessue Hayakawa in his early life?
An injury caused him to fail a navy physical. His father felt shame and embarrassment by his son's failure and this drove a wedge between them.

Question: What injury?
Self-contained rewrite: What injury afflicted Sessue Hayakawa at an early age?