As the tv screen plays a video talking about how basically besides
Gara , Bee , and Naruto we don't know nothing about about the other jinchuriki besides a few fiillers episodes (some BETTER than others) but even they don't show enough information to actually grabs their back story
As the tv plays in the back tenzin gets finished eating his food
He has a pretty good life a , his parents are still around he got a job , a house and even a dog
But as he watches the video he says
[Pov:change]
I can understand where's he's coming from as it do sucks that they never expanded on the back stories most even have cool
As he continue yap a piano falls on his head.