And after that, making her come was my personal challenge.

This had taken on far more aspects than just being a personal challenge to her.

Why did he only seem to come alive when there was some personal, physical challenge in his way?

"He has a lot of personal challenges still to deal with."

"But this boat is very similar, so we consider it a personal challenge."

"This is not the time for a personal challenge," he said.

It was as if he'd accepted a personal challenge of some kind.

He had taken these old ruins as a personal challenge.

"It is a personal challenge and I am not used to losing against myself," he said.

"It is a personal challenge to turn them around," she said.