[She can tell there's a little bit of curiosity about all this, ans she supposes it makes sense. From what she's seen not many people live in places with no natural water, so it's uncommon to be unable to swim. It's hard to be ashamed of a fact she has no control over, so it's easy to just admit it outright.]

I grew up on a planet where there wasn't any water, and my first experience with trying to swim was pretty much just me trying not to drown.

[As she follows him into the water, she gives him a little bit of a wry grin.]

It hasn't gone any better since then.