The intent of that sentence is not to repeat to you that you don't know something. That's already established.
It's to signal that the other person is not judging you negatively for that fact.
It's to signal that the other person is not judging you negatively for that fact.
If I'm not busy, it is cool. Very cool. But if I have to spend hours reading and experimenting just to get to the next phase of some task, not so much. When I'm working, I like to accomplish things and learning can be a speed bump. I love learning new things during learning times. This also helps the learning process as I'm not facing stressful deadlines.
Stated as is, it also sounds like you are offering me the privilege to get to learn something you already know. I get to join your club. I've even heard people claim responsibility for another's knowledge because they were the first person to mention the topic. Same for TV shows, music, and movies.