I can certainly try within points that will not place Prompto into discomfort.

Chibi's tail wags slightly looking at Gladio. This one makes her person very happy, she can tell. She likes him. Not that anything else would give good indication with how stoic she appears otherwise, in stark contrast to Prompto himself.

I believe Prompto was overwhelmed, yes. He still has much to say to you, but he became...Concerned about what might happen after. I do not know where he is headed- he hid his location.