adverse pressure gradient

Does any of that come from being attuned to the pressure of that need to entertain?

He held it, but it was without pressure; without recognizance of the delight with which he once grasped it.

Under the internal pressure his whiskers stood on end and his face grew red.

With him one is at high pressure all the time, and I have gained a good many more ideas from him than I can work up in a hurry.

Mr. Brown seizes the proffered member, and gives it as hearty a pressure as the publicity of the occasion will permit.

This may be done by taking the humming tone and bringing to bear upon it a strong pressure of energy.