He needed to touch her, to know she was alive.
It is a bit like teaching dance, he said, in that sometimes a teacher needs to touch the student to move his hands or shoulders.
She did not need to touch him to know his thoughts.
She needed to touch an object in order to affect it.
Maybe he needed to touch home base, get grounded again.
Imagine sitting down at your computer, and you don't need to touch anything to control it.
She does not need to touch a person to exercise this power, but can do it simply by looking at them.
I didn't need to touch him to know he was dead.
I needed to touch him to see if he was real.
He didn't even need to touch them; just thinking at the straps was enough.