“I don't care, you're a child, end of conversation”

He spoke kinda trying to be stern, like a father scolding his kid. Dazai sometimes needed to be stern and actually act like the adult he was. Which he didn't most of the times.

He held the cigarette pack in his hand, threatening to throw it down the drain, or simply wetting the cigarettes.

It was hard to act this way when just wanted to spoil you like the brat you were in his eyes. After all, he had a soft spot for kids in general.