You don’t trust him

“I’m not so sure I want anythin’ from you.” You say looking up skeptically.

“Dohhh that breaks my little heart to hear. Well, I suppose you’ll never know the magnificence of science… Ah well. Goodbye forever!” the figure throws a circular object onto the ground that blows up into a smoke cloud. Coughing from the smoke you try to fan it a way with your hand. After a few seconds it fades as you see the man running away from you further down the alley.

“What a strange little man.” You grumble to yourself. Turning around you pick a direction and start walking.