Even though he tried to hide it, you could tell he was nervous about meeting your parents. A few weeks before the agreed date on which you wanted to have diner together so that Rintaro could finally get to know your parents, he started asking inconsequential questions about her in order to behave appropriately. He was secretly worried that they wouldn't like him, what should he do then? So he stood in front of your house 10 minutes before the agreed time with a few yellow tulips in his hands.