[ A nod of his head. ]

Then you will need lube in your human form for anal sex.

[ Krivesk, perhaps surprisingly, waits while Azul's thoughts seem to drift and then fluster himself - not saying anything or even with a hint of teasing in his expression. ]

Do you want to elaborate a bit on these issues? Otherwise I'm just taking a shot in the dark with my answer.

[ It could be anything from Azul needing water to live or other biological "issues" of his merform. ]