Why would he waste his energy on someone like her?
Try not to waste energy on what you can see coming next.
They did not want to waste their energy doing this.
"Give the young guys some time because it's no need to waste our energy if everybody's not going to show up."
The body does not waste energy, no matter what its source.
We won't get ahead by wasting our energy on guys.
I am willing to waste no more time or energy on you.
As before, he had not wasted energy in trying to keep watch about him.
We were all too tired to waste energy doing anything but what had to be done.
Here are some simple ways to stop wasting energy and money.