Sitting, Peeing, and Crawling

I don't know what kind of secret, unspoken competition or collusion Gian and Sienna are engaged in, but it's reached new heights. It started yesterday when Gian sat up on her own for the first time we know of (though she may have managed it a day or two before). Then, after Sienna saw her visiting friends all using her potty, she decided that she had to show everyone that she could do it, too. Twice. And now this morning Gian has started to crawl. I expect Shakespearean sonnets from Sienna by evening.