My Heart is Breaking

I had a baby last week, or at least it feels like last week. She's still sweet and cuddly, sleeps right up next to me in bed, and nurses about twenty times a day. There is no way she is almost six months old. And there is definitely no way that I was folding clothes in her room this afternoon and turned around to see this:

Yes, that is my tiny baby pulling herself up to a standing position on the side of the crib. I have no idea who taught her such nonsense, but my immediate reaction was to knock her down and pretend it didn't happen. There is a reason I don't like my girls in cribs when they're babies- they go and pull stuff like this and break their momma's heart.