I don't have a theory as to why Sam is behaving so oddly, but I do have a few thoughts about the smirk.
I think that he did remember Campbell's discussion about the vampire cure and he seems to have faith in Campbell's skills as a hunter, and the veracity of his claims about lore, etc. I think the smirk was one part "Oh hey, if he's one of them he can track the alpha" and one part "Oh hey, I felt like a monster for a good part of my life, let's see how you like it for a little while" knowing that it wouldn't be permanent.
I don't think he's a demon or Lucifer, simply because he's not doing a very good job at keeping his motivations a secret. He repeatedly asked Dean what he remembered about the nest, (why would a demon care about hunting vamps, etc.) and so far everyone has guessed he's not right, including Campbell who didn't even know him before this last year. (In fact, I think I recall Campbell asking Sam what was wrong with him before--about the kidnapped babies). Meg was pretty awesome at keeping her cover the last time she took Sam out for a drive, until she WANTED it to be known.
Sadly, it feels to me like the affection that he has for his brother is the memory of affection, rather than actually feeling it (or much of anything) right now.
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Date: 2010-10-24 12:51 pm (UTC)I think that he did remember Campbell's discussion about the vampire cure and he seems to have faith in Campbell's skills as a hunter, and the veracity of his claims about lore, etc. I think the smirk was one part "Oh hey, if he's one of them he can track the alpha" and one part "Oh hey, I felt like a monster for a good part of my life, let's see how you like it for a little while" knowing that it wouldn't be permanent.
I don't think he's a demon or Lucifer, simply because he's not doing a very good job at keeping his motivations a secret. He repeatedly asked Dean what he remembered about the nest, (why would a demon care about hunting vamps, etc.) and so far everyone has guessed he's not right, including Campbell who didn't even know him before this last year. (In fact, I think I recall Campbell asking Sam what was wrong with him before--about the kidnapped babies). Meg was pretty awesome at keeping her cover the last time she took Sam out for a drive, until she WANTED it to be known.
Sadly, it feels to me like the affection that he has for his brother is the memory of affection, rather than actually feeling it (or much of anything) right now.