[Prefect winced, that was some unnecessarily affectionate hugging right there.]

Barron! [His voice raised a little, involuntarily,] If you've changed anyone else's memories then you have to tell me! I don't want you getting hurt for no reason!

[He paused for a moment, then, abruptly, wrapped his arms around Barron's shoulders, holding on tightly.]

If you don't tell me the truth, I'll get someone to go and check your journals!