Sirius already knows his hair looks gorgeous because as usual he spent 45 minutes in the morning in front of the mirror. James: Sirius get out of the bathroom! I need to use it too. Lily will see me again after a whole summer! Sirius: Prongs she is gonna ignore you again. Does it even matter how your hair looks while getting rejected? Give me 5 minutes more. I need get a perfect look so that McGonagall can't give detention to my beautiful face on the first day.
Oooooh, pitcher plant terrarium! Something like this might be happy in our bathroom?