"dear calla,
i am, for once, glad to be a pureblood. and i am also glad that you're safe from whatever is petrifying students. though, i feel horrible for the students who have muggle parents.
i wish i had the confidence to guide you everywhere so you wouldn't be so bored and alone. i've seen you walking down the halls with the people who you call friends.
why do you befriend people who don't care about you? why don't i have the ballocks to talk to you?
sincerely,
fred weasley"