All dogs will collapse when exhausted. If the dog is completely lethargic there is something more to it than the dog just being tired and should be taken to the vet asap
boxer dogs
Boxer dogs. You better belive it.
Because they're dogs...
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
water.
No
Around two months the same as dogs that are not inbreed dogs
No. Boxers are bred as guard dogs, not shepherds or cattle dogs.
The maximum amount of boxer dogs that you can have would depend upon where you live. Some places do not allow them in their city limits.