This is me, Bella. I'm a 4-year-old Bullmastiff female who hasn't been spayed. I'm generally a good-natured dog, affectionate, but I tend to play rough. I wouldn't recommend having me in a home with small children because I'm not always aware of my own strength. I weigh about 70lbs. I don't get along with other female dogs or cats, but male dogs are usually ...