Hi Deb,
I saw this earlier but didn't post as I have no knowledge in this area. I'm glad you got some info, and that the vet has been in touch.

That video is great! Sunny just doesn't quit, does she? Bean must be so tired of her lol.

Sunny, dear one, I am pleased to see you are STILL keeping mom on her toes, doing things to make mom worry. You really must give mom a break, honey! LOL.

Deb, I think it is about equal to the "terrible twos" in infants, so once you get through the first year . . . IF you get through the first year! . . . you'll be fine. Paws crossed, anyway!