Jennifer Aniston's dog 'Norman' doesn't seem to be too fond of her boyfriend John Mayer (or ex-boyfriend now) and has to be kept away whenever John visits her home.

“It's funny because John likes dogs but for some reason, Norman has taken a disliking to him. Jennifer dotes on Norman. She treats him like a child but she's got to the point where she's had to keep him out of the way if John is around,” says a source.

Talking of pets, the 'Marley and Me' star who is going to appear on the silver screen with Owen Wilson, (including one nude scene with him) and a golden Retriever recently stated that she has had bad experiences with her pet in her childhood but is nicer to her cuddly pet now.

"My first pet was Demetri, a white poodle. But he did not like me much because I would always pull on its tail. But I was three, I thought he was a toy," says the actress.

But Aniston adores her furry corgi-terrier cross-breed Norman and is all praises for him, "There's no dog like him. He's just a person in a furry outfit. I don't even know how to describe him. He's a wise old man who could, with a look, with one stare, could crush me. He's a laser light beaming into my soul."

Apparently Jennifer loves her dog so much, that she spends an astonishing $250 a week on massage, Reiki and acupuncture treatments for the ageing canine.