'He kept messing up his hair,' said Harry in a pained voice.
Sirius and Lupin laughed.
'I'd forgotten he used to do that,' said Sirius affectionately.
'Was he playing with the Snitch?' said Lupin eagerly.
'Yeah,' said Harry, watching uncomprehendingly as Sirius and Lupin beamed reminiscently. 'Well…I thought he was a bit of an idiot.'"