Approach the Angelic Automaton

You sit down across from the red robot and introduce yourself. He says nothing, but he raises his head. Across his face four letters appear: FLCL. Then a ":) " emoticon. The screen goes dark and he returns to his book. He picks up a can of oil off the ground next to him and lifts the straw to an area between his head and neck. You hear the liquid drain. He holds the can out to you as "? " appears on his screen. You politely decline, but decide to ask about...