My first post, but my girlfriend is often laughing at stuff on here, so I thought I'd post the film I made of my DS. (22 months) He learnt the word, 'no' and spent a week saying, 'No' to everything, then in the space of an afternoon he learnt two new words..
Very Short Film: No, no, no. www.youtube.com/watch?v=MdJhFMmKArU