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During the March 10 episode of 'Knowing Brothers', JB revealed he once suffered a serious injury while b-boying, failing to land correctly while doing an air flare trick.�

JB elaborated, "While practicing, I landed on my head instead of my hand. I passed out for 10 minutes in the practice room but when I woke up, I couldn't remember how I injured myself. Also, when I got dropped off home, I wasn't able to recall the pin number to enter my own house."

"What's worse, I couldn't even recognize my friends when I went to school - I felt like I knew who they were but couldn't remember their names. After thinking for a long time, I finally recollected all my memories when a friend's name came back to me," JB finished.

Have you ever experienced something similar?