I haven't needed to count cash with my eyes closed yet, with several decades behind me. Aside from how awesome it must be for people with visual impairment, I c

I haven't needed to count cash with my eyes closed yet, with several decades behind me. Aside from how awesome it must be for people with visual impairment, I can't think of how else it is beneficial (though that is definitely enough of a good reason). Are there other benefits? I suspect it's an effect of OCD, but when I have a mess of different sized bills in bright multi-color... my mind is just not at ease.