"Depends a bit on the magic," Sirius replies with an easy shrug. "I wouldn't want one that says the same thing over and over again -- that'd get terribly annoying even if it does come from you adorable face."

Sensing some unease, Sirius grins a little and reaches down to take Kieren's hand, giving a light squeeze. "It wouldn't say anything you wouldn't, however. It captures a bit of the soul of the subject. Not literally, of course; there'll be no bit of you actually existing in a portrait. I suppose it's more... your essence. No, that still isn't right. I'm not certain I can explain it, honestly."