I used to use a bike/collar...it's not the end of the world...Gohan is not made of glass, but if you use a harness and train him to pull all your options for a great run with the bike
will be open to you
One of the best things about a harness and a bike/sled is that once you train them to pull (it's what they want to do anyways) THEY feel like they're in charge of where they're going
and that so fits their personality(they love it)...all you have to do is give a direction once in a while....HEAVEN.
Watch out for rabbits, squirrels, deer, mice and other dogs (he won't be able to help himself sometimes)....a retractable leash works good too...put the handlebar
through the hole in the leash handle
Good Job :D ....just call the admissions office or the registrar...if that doesn't work call the Dean of the school (eg education, engineering) you would have been in.
Try to redirect and reward. If that doesnt work..."no" first then a timeout....Mine REALLY tested my patience as a pup. And those puppy teeth are razor sharp.
Please try and be patient. He's not trying to be mean. It's USUALLY a way to communicate something. So while you're training not to bite, try to train him
to communicate in other ways (like..."go stand by the door if you want outside")