Why Take A Bath, Change Clothes, etc.

[NurseHotFlash]

I am just now completing my pre-requisites for nursing, and taking care of my 89 year old mother-in-law. Does anyone know how to convince old people that taking a bath, changing clothes, and using new needles for taking insulin, etc. is important? She says her clothes "aren't dirty" (same reasoning for her body) and needles can be used for weeks (if not months).

[Dixiecup]

My grandma would always use just two little squares of toilet paper. I never could figure out how she managed that!