In Japanese there is a term that translates as `skinship` - that being naked together can actually strength relationships. Admittedly they tend to use it with onsen (hot springs) and sento (public baths), in which one goes in naked into a same sex pool.

There was one teacher from one of the other schools in my area that attended the same gym as me, so there were several times we`d end up chatting to each other while soaking in the communal tub. It was weird to meet her at teachers` workshop later on, as it was the first time we`d met fully clothed.