This won't happen unless you intentionally clog up the lane. If you do it intentionally, you'll be required to pay damages.
故意に詰まらせないとこんなことにはならない。もし故意にやったのなら、賠償金を払わないとだめだ。
Optimized studying based on the forgetting curve vastly improves memorization. - What is reminDO?
Memorize