Sunlight glittered on the swimming pool in front of me. I overheard an instructor speaking to a student who had been in the water for quite a while. He said, “It looks like you’re getting tired. When you’re exhausted and in deep water, try the survival float.”

Certain situations in life require us to spend our mental, physical, or emotional energy in a way that we can’t sustain. David described a time when his enemies were threatening him and he felt the emotional weight of their anger. He needed to escape the distress he was experiencing.

As he processed his feelings, he…