Because they're dogs...
boxer dogs
Boxer dogs. You better belive it.
no dogs tongues do not roll
They can be if you train them the right way.
A boxer dog is a jogger because it is a submissive dog.
Food
They have no predators
No
water.
dogs mostly roll when wanted to be petted or wants to play.
It means roll on the floor freaking laughing
Around two months the same as dogs that are not inbreed dogs