Oh boy. I came to the forums to see if the Exhausted thing was a problem for anyone else, but I certainly didn't expect this mammoth thread.
I won't say that it's ruining the game for me, but it's extremely irritating.
My idea for an easy solution is to just make the energy drink permanently available in the store like the clothing. We'll pretend our people are coffee addicts. The good thing about this solution is that it's easy to implement, since the store already has permanent slots for clothing, so this wouldn't require new programming or trying to change the old programming.
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Runners... never enough runners....