cutting a tooth

Joshka has a razor sharp new bottom tooth. It's making the attack-of-the-chin manoevre a bit risky. He's crawling around all over the place and loves 'boy' things. It's quite fascinating to observe the difference between Mia and him. She was happy to sit at this age...never really had an interest in crawling - walking more her thing. Josh is happy to bounce and leopard crawl, but ends up sucking his toes if encouraged to sit. Put a car in front of him, or a shoe...or something he can slap about and make a noise with and he's happy. A lot of 'bpbpbpbpbpbpbpbp' noises - absent with Mia. I remember watching other boy babies do that when she was little and wondering if it was a 'boy' thing.
Interesting.
Always a wonder to watch children grow.