I no longer have a baby. I have a toddler instead. I just watched her walk away from me, her little knees picking up and her feet stepping like she was walking across a movie theater floor, pulling them out of stickiness. She's speeding up. She no longer pauses between steps readjusting her equilibrium--she just goes. It's not running yet, but I think she'll be doing that very soon. When she falls, she just stands back up. It was just two weeks ago today that she learned how to stand in the middle of the floor for the first time.
She's still chubby and adorable and babbling. she still nurses and wears diapers. But she's not a baby anymore.