Why DD did not ask Snape to kill him. (extremely long)

[houyhnhnm102]

No: HPFGUIDX 166180

Julie:

> Thus from the beginning of HBP I was convinced that 
> Dumbledore could only be "killed" if he ALLOWED it 
> to happen. It doesn't matter whether the culprit is 
> Draco, Snape or even Voldemort himself. If Dumbledore 
> doesn't accept his death, it isn't going to happen.
> [...]
> So it might be more accurate to say he chose *when* 
> to die rather than "to die."

houyhnhnm:

*******
Fawkes the phoenix looked around, his bright black 
eyes gleaming with reflected gold from the sunset 
beyond the windows. Dumbledore was standing at the 
window looking out at the grounds, a long black 
traveling cloak in his arms.
*******

Something about that passage from "The Seer Overheard" 
has given me the feeling that Dumbledore was saying 
goodbye, to his office and to his school, ever since 
I read HBP the second time.  He knew.