[airstrike]

5 cals can really be rounded down to zero. It's important to also focus on the big picture.

[rsync]

No, actually if one is making a decision whether or not to drink black coffee while fasting, it is interesting and actionable data.

I do in fact drink black coffee in a fasted state and if it had 5 calories (which I don't believe it does) I would choose not to ...

[airstrike]

5 calories will not take your body out of its fasting state... unless you're being religious about it