Aging

[mongo62aa]

No: HPFGUIDX 57880

Christine:

Witches and wizards hit puberty around the same time as muggles, and 
also live about twice as long.  So my question is, if they live twice 
as long, shouldn't their bodies take twice as long to mature/get 
old/whatever as Muggles' bodies?  And if they don't (as I suspect 
they don't b/c both hit puberty at the same time), then do they age 
exactly like Muggles until they're 90 or so and then just stay in the 
90-year-old body?  Or do they look 150 when they're 150?

Me(Bill):

I have always thought that they aged at the same rate as Muggles 
until physical maturity (say, 18 years old), and then age at half the 
rate as Muggles from then on.

For example, Dumbledore is 150, but would be physically similar to a 
Muggle age of 18 + (150 - 18)/2 = 84 years old.

While McGonnigall is 'a spritely 70', which would work out to a 
Muggle age of 18 + (70 - 18)/2 = 44 years old.

And Sirius, Remus, Snape et al are about 36 in GoF, which would work 
out to a Muggle age of 18 + (36 - 18)/2 = 27 years old.

Alan Rickman is WAY too old to play Severus Snape, and Maggie Smith 
is again, far too old to play Minerva McGonnigall.

Bill