He didn't want to confirm it, but she was right.
I wanted you to confirm that it is in fact his.
She once had feelings, strong ones, and he wanted to confirm them.
He wanted to confirm the information with his own eyes.
"But in the early stages you want to confirm for kids how much they know about the language."
Neither wants to confirm in words what both know must be true.
"I'll want to confirm this with my own data, but it looks pretty solid."
She was correct, but he didn't want to confirm it.
I wanted to confirm this date with you in my answer to your question.
I only want you to confirm what we already know.