Level Indicators

Wouldn’t it be kind of interesting
If people had indicators?
You could look at someone and see
Whether they were fully charged
Or critically low.
Kind of like a phone battery.
Or maybe you could check on many different things,
Like hunger, creativity, pain level, etc…
This could be really useful.
Also a huge invasion of privacy.
But even if you could check your own,
That would actually really come in handy.
I think sometimes we don’t realize
We’re in the red,
Or running on fumes in certain areas.
It takes someone else pointing it out.
What are some ways you could stay on top of those levels?