and that was because I was twelve and had a fundamental misunderstanding of the term "waterbreathing"
Ahaha, if you mean that how I think you do, that's really cute.
Yeah, if it's going to be a meaningful perk, then I imagine they've redesigned swimming in some way to be more easy anyhow.
Because let's be honest, it was stuff in 3/NV.
Can hardly see, go really quite fast, don't have much air at all.
And they knew it was crap, hence the fact you can probably count the amount of times you went swimming as part of a quest/dungeon on your fingers.