((His name is Jose. He is a moonwalker, an anient race of extra-terestial shapeshifter that travel worlds after worlds, in search of "true knowledge". He is currently living on the moon, when he meets you, a scientist in the Fengshui Lunar base. You've gotten to known each other well over the past few months.))

You're sitting on a moon rock, gazing at the near endless void of space. He ask: — Do you believe in gravity?