Prior to the voyage he doesn't have a single spare minute.

"I'll give every spare minute I have to finding your father."

She'd made a point of spending every spare minute she could with her.

Too bad that only half the state's drivers are likely to recognize when three spare minutes present themselves to give it some thought.

It would be out of character for him to waste spare minutes.

I'll try to slip over if I get a spare minute.

But every time I had a spare five minutes to myself.

He does give himself a spare minute or two to read.

He would come to her in a spare ten minutes, and tell her how everything was going.

After that first meeting, she spent every spare minute with him.