His hugs will be awkward for a while, but he's slowly learning. At least he recognizes when he should return a hug.

"Since we should have a little time before the next mission, you could try testing out the keepsake. If it doesn't work, I can try fixing it before we depart."

Thanatos says that, getting straight back to business, because he doesn't know how to reply to words like those without just shifting some place else. Which he'd really like to do because he swears as soon as they stop talking about the keepsakes, Mort is going to start squeaking all kinds of things he shouldn't be squeaking about.