Four-year-old boy: That train is going really fast.

Mom: It's an express train. It doesn't stop at every station.

Four-year-old boy: Is it in a hurry?

— Togoshi-koen Station, Shinagawa-ku, Tokyo. Overheard by The Japan Times On Sunday

Overheard a conversation you'd like to share? Simply fill out the online submission form at jtimes.jp/overheard. Please recount the conversation in the format above and be sure to provide a description of the participants (age, male/female, nationality if relevant, etc.), note where the conversation took place and include any other context that might be necessary.