Jake Gyllenhaal was recently a guest on Jimmy Kimmel Live promoting his recent film, Nocturnal Animals.
When Kimmel asked what was his favorite Halloween candy, notice that Gyllenhaal looks up to his left while simultaneously retracting his lower lip (more prominently on his right side).
When right-hand dominant people (as is Gyllenhaal) look up to their left, the vast majority of the time they are in the act of visually recalling a person, a thing, an event, etc. Lower lip retraction (depending on the other nonverbal signals with which it is clustered [and more typically unilaterally as we see here]) is indicative of sincere contemplation. When these two nonverbal signals are coexisting - we can very accurately interpret Jake Gyllenhaal sincerely recalling his preference of a "Milky Way Dark" Chocolate bar.
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