You'll write to me, won't you?" Albus asked his parents immediately,...

You'll write to me, won't you?" Albus asked his parents immediately, capitalizing on the momentary absence of his brother.
"Every day, if you want us to," said Ginny.
"Not day," said Albus quickly. "James says most people only get letters from home about once a month."
"We wrote to James three times a week last year," said Ginny.
"And you don't want to believe everything he tells you about Hogwarts," Harry put in. "He likes a laugh, your brother.