[There's a pause in which someone might conceivably think that he'd fallen asleep, but then - his head just tilts, brows furrowed together as he's digesting that last bit. It's a good thing that he is about to fall asleep, so the last words he has are a mixture of:]
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What a bad bitch. That's hot.
[Okay, keep doing the hair thing. "I like that".]
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[The last conscious thing Harry does is shift enough to kiss Kieran's forehead.]