Ziggy has shifted over to telepathy to let Jack rest. Though Antheans rarely sleep, Ziggy figures gorging on food after starving probably encouraged the body to want to rest.

I would love to see one of the lions. he's a little more excited in voice than he thought he would be. I am sure Black would welcome you back.

Ziggy strokes Jack's hair as he sleeps thinking about Hiroki's question. I think finding out he's half alien will be enough of a shock. That's what is important for him, not that he might be me. He's his own person and you taught me the pain of thinking you're someone else. He doesn't need that.