[Firo manages to look not-terrified long enough to glare daggers at Hank. How could you?! Only for a few seconds, though, because then a curious and confused mermaid is peering at him, and he has to try and explain. Thanks, Hank.]

I just--W-well, you... S-since you don't get many guys around here, I thought--

[The mermaid idly reaches out to flop one of Sumo's ears back and forth--so like a fin in its shape, yet it doesn't seem functional--but keeps watching Firo expectantly, dashing any hopes he has that she'll just let him stop talking.]

--I-I thought you might be...um, uncomfortable if we just showed up... And you, know, you're dressed like that, so I figured--I figured you wouldn't want guys to see you... And we're guys, so...

[Isn't it all completely clear now? He glares again at Hank--say something, damn it!]