So if A thinks he likes girl B, but is always nervous around her and never, err, shows any physical signs of sexual arousal because the sympathetic nervous system kicks in, which is normally activated in situations where sex should probably be the last thing on the mind, can he, from a philosophical/biological viewpoint, reasonably infer that he is indeed sexually attracted, because he would not be nervous otherwise?
On a side note, does the fight-or-flight response suggest a dichotomy, or even a really broad one differentiating between confronting and escaping the nervousness inducing predicament?
How would that apply to nervousness stemming from sexual attraction? Confronting the situation would entail, obviously nothing combative, but what then?