She can go up stairs now. The first time that happened, I was working in the front yard, and off she crawls to the stairs. I redirected her a couple of times, and then I just let her go. That first day she climbed to the top of the steps three times before she pooped out. Now she'll climb the stairs any chance she gets: We're no longer allowed to carry her up to the front door -- she practically flies out my arms whenever we approach.
And she's discovered doors. That they open and close. Over and over. And that she can stand on one side of the french doors and look in at us. And make faces. And smash her face against the glass. And then she just giggles and giggles and giggles...