...reminds me of the _Monty Python's Flying Circus_ sketch featuring the man [Terry Jones] trying to change clothes at the beach:
https://www.youtube.com/watch?v=8peZOFVYxTI ....
If you mean Sandy's kind of a prude about getting undressed in front of people, well, duh.

I think pretty much any of our principal characters would act about the same way as in that clip. (Well, at least up 'til the end part, anyway.

If you mean Sandy's kind of a prude when it comes to depictions of nudity, well, yeah, no duh, again.

Doc.