My dogs temperment is as sweet as one can be. He lays on his back and surrenders to little tiny dogs that are scared of him. He is about 5 , but i swear he still thinks he's a puppy. When it comes to bully breads, i think the females tend to be a little more on the aggresive/protective side than males, but even so, most of the female pits i have encountered,  (including the two i've owned) have been sweethearts. A house full of love breeds love.