No enough to get them drunk! Seamus would see about that! After developing quite the taste for it over the last few months, there was no way the Irishman was going to come back to school without a nice healthy dose. That said, last thing he needed was Head Girl Ginny finding out and confiscating it from him. Better to keep it a secret!
"There's no such thing as too much fun!" Seamus said confidently, lifting the other flask in a salute, "Plus, we're gonna be very, very, busy people now, learning and all that. Better get in a bit of craic before we become boring!"