Y’know, I hate to defend Twilight and all, but this is entirely possible. Very stong emotional reactions can block out other sensory information.
Also, y’know, if the writing style is the only thing you find wrong with Twilight then, uhm, posibly your priorities are a bit wonky.
You should read the rest of the blog. Writing style is far from the only thing picked on, but because it is so poor it gets picked on frequently. I’ve said it before, and I’ll say it again: Stephenie Meyer does not get the benefit of the doubt where other authors might because she is such an awful writer that I do not believe she is even capable of employing decent stylistic choices in her writing. Not to mention, this isn’t the first time nor the last nor even one of a small handful of times Bella has had such ‘realizations’, and they have never made sense given what we know of her character.
General note: I giggled at that last box like an immature eighth grader who just heard the teacher say ‘penis’ in Family Health.