"But he's very motivated to do well, and he wants to keep proving it."

You don't have to keep proving it to me.

So why did she have to keep proving it?

She has to keep proving things to herself all the time.

You get a little tender sometimes when you've got to keep proving yourself every day.

I guess we just have to keep proving them wrong.

Maybe it was even a time to find a sane career, one where he didn't have to keep proving himself.

But I always had to keep proving myself to the coaches.

He tells me that you have to keep proving yourself.

You have to prove and keep proving your commitment to open discourse.