Well this is relatable... uhm... from my experience, I'd say she is OCD.
It’s better not to. Coffee in general will effect your bloodwork, and it is no different with black coffee. This is due to the caffeine in it which might skew the results. It’s also a natural diuretic, so your bladder will not last as long.
Hope this was helpful!
Answer:
C. a tool to measure the ratio of lean muscle to fat