"I see. Well, as long as it seems to be a decent person, don't tell me more about Jack's dreams, or I'd feel like I'm trespassing."

Or like a voyeur.

Liking... aliens...?
Hiroki only stops himself from laughing because it'd wake Jack up, probably.

"You're impossible. Be glad I don't get attracted to every alien I'm friends with, or I probably wouldn't've been single by the time I met you," he teases.

Truth is, he had no idea Ziggy was an alien when they've met, and whatever he was, he'd love Ziggy just as much either way.