Oh Sirius, you dog! Sometimes he's such a perverted little puppy - but you can't help loving him for it. Adore his voice in this. And the 70s ambience: Any time polyester and disco become popular in the same decade should be a big fucking warning sign that you are going to look back at it with an extreme sense of embarrassment.
Tries not to imagine the Marauders in loon pants.
And eyeliner.
Fails.
All that and one of my favourite kinks too...