The Ultimate Snape Theory

[Tonks]

No: HPFGUIDX 134872

The Ultimate Snape Theory by Tonks:

I think that Snape heard the first (or last) part of the prophesy.  
He was not in love with Lily. LV would never have spared anyone for 
that reason. Snape would have been a fool to show that he cared for 
Lily, even if he did, which I don't think that he did. (My theory is 
that Snape loves Narcissa.)

When Snape finds out that LV is going to kill James and Snape has a 
life debit to James, this scares Snape.  There is some serious bad, 
bad magic that happen when you have a life debit to someone and then 
that person is killed because of something that you have done.  It 
may be some sort of a cursed life, like one gets from drinking the 
blood of a unicorn. 

So in order to save himself, Snape goes to James and tries to warn 
him, but James doesn't believe him.  Maybe then  Snape tricks LV by 
suggest to LV that the *really* evil thing to do would be to allow 
the parents to live so that they would suffer day in and day out 
because of the lost of their child.  And LV being the nasty EVIL 
dude that he is, agrees.  His plan is to kill just Harry. When he 
gets to the house James puts up a fight and is killed.  Lily doesn't 
have a wand and doesn't fight, so she didn't have to die. And we 
know the rest of that story.

James is dead, and Snape is in a bad, bad way.  LV appears gone. 
Snape thinks "how can I get out of this?"  What Snape really wants 
is to save himself.   Somehow he knows that DD can help him out of 
this terrible situation. And DD does.  There is something that DD 
does to help Snape and Snape makes a promise not to return to the 
Dark Side. This is the reason that DD trust Snape.  If Snape returns 
to the Dark side he is really, really ..
 (well you know
.)  And as 
part of his deal with DD Snape must protect Harry.  Maybe DD did 
some sort of ancient magic that transferred the life debit that 
Snape had with James to Harry.  But if Snape messes up this time, 
well let's just say it will not be a pretty thing.  LV's fate will 
seem like a picnic in comparison.

It therefore follows that Snape is still acting on DD's orders.  He 
still has a choice, of course, he always has a *choice*, but the 
options are now between a rock and a hard place as the saying goes.  
Now Snape is a wanted man, maybe even more so than LV.  Snape is 
still bond to protect Harry while seeming to be a loyal DE. Not a 
good position for poor old Snape to be in, but there you have it.  
Think of the title of the second chapter of HBP, Spinners End.  Oh, 
what a tangled web we weave when first we practice to deceive, 
certainly seems to apply here!

Tonks_op