As I was stopping the fight, one of the kids hit me, and that's when I knew I needed to be here.
その喧嘩を止めようしたときに、生徒の一人が俺を殴ったんだ。そのとき俺はここにいなきゃいけないとわかったよ。
Optimized studying based on the forgetting curve vastly improves memorization. - What is reminDO?
Memorize