Well they eventually got so loose that I knew it would be "any day." Friday evening, he was playing at a friends and got a little assistance with nudging one of them out. They were playing like boys do and Nathan realized that his tooth was about ready. So, he pulled it! Yay! Here is what he looked like:
The other front tooth was just dangling for the most part. Last night I convinced him to keep twisting it back and forth just until it hurt. Well, what do you know.... it loosened it even more! At one point he twisted his tooth one and a half turns and it got stuck sideways! He thought that was funny, but didn't know what to do. I got a tissue to help blot up a little blood and when I went to dab he pulled his head back. There in the tissue laid his little tooth. Finally, it was out. Boy, was he happy and so was I! Here he is sporting his new look: