Make sure you maintain control of them at all times.

The patients were asked how easy they found it to maintain good control.

The question was, could he maintain control long enough to help her with that?

She had built her power to a higher level while still maintaining control.

The man seemed to be fighting to maintain control of himself.

How was she supposed to maintain her control this way?

"They used force and violence in order to maintain their control," he said.

"The only way I can maintain control is to be on my own," he said.

This time, however, it seemed likely that his behavior was not going to help, and she might have to step in to maintain control.

Here however he did not attempt to maintain direct control.