1) JJ does this new thing during mealtimes when he's in a really good mood.
2) JJ likes to tell us about his dining experience after each meal. You can see he keeps his face pretty tidy during dinner.
3) JJ likes to chase the cats around from time to time, particularly Kater. You can see his crawlspeed has really improved.
4) JJ likes to dance his various musical toys. He usually just hits the first couple notes and then chills out. His dancing usually consists of head-bopping, hand-waving, stomach-convulsing, or a combination thereof. Here we see demonstrations of all three techniques.