Participating in EEG scan experiments (to research how the brain processes audio) shows that this head is apparently not completely filled with water. Although it's debatable whether that is a sign of intelligence at all.
Donating plasma on a biweekly basis seems to confirm there is a heart somewhere in this body pumping blood through it. But please don't confound this with this person being kind.
Thus as a result most of the time an arrogant and asocial object, although Belgian beer seems to undo this effect slightly.