My husband teaches a frustrating age, in my opinion. I don't know how he does it. I don't think I could teach that age level. When they frustrate him, he has to deal with it a little differently than I would. He has to. He has a framed picture on his desk that he turns around when someone frustrates him. This is the picture:
He says to the student: "This is how Mr. Kelsey is feeling on the inside." And the kids think it's really funny. As a matter of fact, I do too. He's great.