#constantly sitting

One of the details I noticed is that Hashirama is constantly sitting on the ground or floor. The implications of that & me clowning myself into thinking it has a significance. He’s sitting even if the others are standing (or laying). 

But why? 

Is he trying to get down to Madara’s level? 

Is it the humbleness? 

Is he trying to make himself smaller? 

Is his little head too heavy? 

Is it because he’s very grounded? 

In following scenes everyone sits: