The most important part of being a parent to a dog or a human is love and willingness to learn and try . You seem to have both of those going for you. You will be fine. There are lots of articles on the site about caring for bullies and pups. Don't overwhelm your self with too much info at once. For now set a feeding and potty schedule and try to enjoy him. After that is underway successfully you can start to tackle other issues like training .