As well as destroying self-confidence, the inner voice also drains vital energy stores.
Times, Sunday Times
Perhaps they used up too much vital energy.
Times, Sunday Times
As a feng-shui consultant, she wanted a home with good chi (vital energy).
Times, Sunday Times
Rapid weight loss can mean running short of essential nutrients and vital energy just when she needs it.
The Sun
By drifting toward reefs and feeding at night, they save vital energy.
Retrieved from Wikipedia CC BY-SA 3.0