Context: in the manga Rikudou, Riku follows his trainer risky instructions in order to win (the trainer had told him to take a lot of punches in order to understand his opponent's fighting style). When, after risking his life, Riku is finally going to land a punch, his opponent thinks:
What is the meaning of 買う in this case? My guess is that the opponent is envious of Riku's determination end wants to "acquire" it himself by letting him beat him. Is it correct?
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