Everybody around me who would find utility with them has non-normal usage patterns (birth control, PCOS, hysterectomy) so there is a pretty high variance in my

Everybody around me who would find utility with them has non-normal usage patterns (birth control, PCOS, hysterectomy) so there is a pretty high variance in my observations (across individuals and time) and I don't need to actively seek more samples. I just make sure there is a box of tampons around and borrow one to use for wound care when I need one and replace the empty box when requested.