"So then, potentially, your dots are some byproduct of the virus' processes. Like carbon dioxide being exhaled from human lungs. Plasma is...a kind of matter, by Midgardian definitions, I believe." He's not a scientist, either, and while he has extensive knowledge of physics--enough to bend the laws thereof in his favor when the occasion calls for it--the was Asgard describes these things and the way humans describe these things do not always meet in the middle.

"Forgive me. I am curious, but I'm certainly not going to harm you or do anything against your will; you have my word on that." He imagines after extensive captivity on multiple fronts, being studied and hurt and used, anyone asking too many questions might be alarming.

"Are you allergic to anything? I was just going to make chamomile tea." It won't be long before he notices the growths, if he hasn't already, but he's trying to keep him calm and relaxed to give him a chance to heal.