Snape, trying very hard not to smile? Or is he just allergic to cats?

[potioncat]

No: HPFGUIDX 93418

Berit wrote:> 
> And just a little P.S: "Thankfully Snape sneezed at almost exactly 
> the moment Ron swore." (CoS p. 192 UK Ed)
> Hard to believe, isn't it, that even our mysterious Potion Master 
who 
> has made self-control an art-form are subject to mundane bodily 
> reactions like sneezing... Makes him more human, doesn't it? :-))
 
Potioncat:
I always wondered if Snape staged the sneeze, so that they could get 
by, but it seems out of character for Snape. (And hard to time.) Is 
anyone else suspicious?
Potioncat