My mastiff's name is Kujo. He believes he is a human. Do you guys know what it is like to see a 150lb. dog laying on a couch sleeping. I mean how do you get a dog that weighs more than you off of...

I just started obedience classes with my 7 month old English Mastiff she is 96 pounds and the dog trainer recommends a choke chain .I feel so mean pulling on this, am i going to choke my dog to get...