Final answer:
Alfred returned to training after 'quitting' because he still had a passion for it and didn't want to give up on his dreams.
Step-by-step explanation:
Alfred returned to training after 'quitting' because he realized he still had a passion for it and didn't want to give up on his dreams.
In the passage, he initially quit because he thought he was too old and wanted to move on to something else. However, he later realized that he wasn't ready to give up and decided to return to training.
Sometimes, people make impulsive decisions or doubt themselves, but with time, they may come to realize their true desires and go back to what they love.