Penny was not at the rescue when I went, she's in a foster home, a shelter environment is probably not best for a mastiff breed and she's DA, so that's a good thing, I'm disappointed I couldn't meet her though. I've only ever met one guardian breed, a Cane Corso who I LOVED, she liked me too, she was at a Rally-O competition I was watching and her owners sat next to me, I talked to her and she laid her head on me and asked for petting which I gave, very sweet dog. A lot less aloof than she should have been, perhaps she wasn't mature yet. I would have liked to meet another though, just to get familiar with them.