Ma: "Seems like today is a day called Valentine's Day..."

Rei: "I see...? So, what kind of day is it?"

Ma: "That's...um, well...it seems that it's a day that you give chocolate to the person you l-like."

Rei: "I see...? And?"

Ma: "Y-ya. That's why...um...that's,um,why...you know."

Rei: "...?"

Ma: "...I'm sorry, nevermind..."