We've got to make sure his head stays with his heart.
And, this time I hope, the head will stay on".
If she sat beside him her head would loll onto his shoulder and stay there for long moments.
His head stayed still, but his feet kept on going.
This means that the heads stay in more or less the right position when switching between applications, thus speeding things up a little.
"I asked him to keep us together, to make sure our heads stay in the game."
He fell to his knees, head bowed and stayed there, silent.
His head stayed absolutely still as he spoke, she noticed.
The heads stayed, dark dots on the water, watching.
But no legal order's yet arrived so my head will stay where it is.