I kind of feel he wouldn't tell her because of the way she approached him initially, and then had to stick to his guns, so to speak. He even kind of admits it

I kind of feel he wouldn't tell her because of the way she approached him initially, and then had to stick to his guns, so to speak. He even kind of admits it later. That's not meant to be a criticism - just a description of what happened. I think his guard went up based on her initial approach.