Pooches: Mr. B's Hurt Feelings

While Miss M has had so much training that she could run away with Barnum & Bailey, Mr. B came to us "already trained". We knew pit bulls were loyal, and would do anything for their owners, but Mr. B takes it to a whole new level. He absolutely hates disappointing us, and he gets his feelings hurt very easily.
When we first met Mr. B, we spent that night camping in Michigan. Mr. B thought it would be a good idea to chew up the paper towels. When we caught him we yelled and took the paper towels away. He was so upset that he crawled away to the furthest corner of the tent and spent the entire night pouting:

While it's unfortunate he has such low self-esteem, it has worked to our advantage with training. Once Mr B. decided to shred a piece of junk mail

We yelled at him and he nervously retreated into his tepee.

Another time Mr. B found where we kept the food and dragged it into his lair:

We took him behind the counter and yelled. Every time he came near the counter we would yell, and now he won't go near the counter. Once we even left a "trap" of treats lined up behind the counter, and even when left home the entire day the treats were untouched.
Given how stubborn Miss M is, we are lucky that Mr. B does try to please us so much. Even to the extent that he lets us dress him like this:

And this:

And is always happy doing it: