So anyway, about that idea of wearing a rubber wetsuit in your bivvy bag.... you've a long way to out-imagine my imagination Stu mate .

Stop it's burning into my mind's eye

Picture the scene.

Stu in the workshop wearing this of an evening. Dee comes out with a brew, rolls her eyes, goes back inside.

What you describe would indeed be highly unusual ....... I don't think Dee's ever made me a brew.