[She nods along to his explanation and instantly grins when he gets to drownings. There's no shame or apology, just a shrug as if to say, 'well what can you do?']

Is that so? Am glad you understand, then!

But yes, those things are true, mostly. Am glad you know; makes it easier and I do not need to explain so many things. [She hums, pleased.] But yes, am mermaid!