If he is calm and there isn't any activity going around when he comes out, I wouldn't think he would fly wildly. That usually happens when they are scared or startled. Usually when they fly they have a destination in mind. No guarantees though! I'd make sure his room is quiet and there isn't a chance of him startling when he come out. Make sure you don't make sudden moves, raise your voice etc. initially. I have no experience with a fully flighted bird though, so wait for some of the more experienced grey owners to chime in! You need to control your fear, he can sense that. It doesn't promote trust. Most of us have to prepare ourselves for the fact that we will get bit. Maybe not today, tomorrow, or this month, but it will happen and that is especially true when you first bring them home. You have to be prepared to grit your teeth and withstand the pain until you can get them safely to a perch and off of you. Sounds hard? It is. You can't just fling them off which is the first instinct, because that could injure or kill them. The more excited you get, the more excited they get. Ideally, you grit your teeth, show no reaction, and do your crying in another room There are other suggestions in other threads, and I'd encourage you to do a lot of reading. It has helped me a lot. I kept a small wooden dowel near at all times. I'd use it to distract him and get him to detach from my arm or hand. Then I'd go in the bathroom alone, voice my displeasure alone, soak up the blood and cleanse the wounds. I don't want to make it sound worse than it is, but Timber doesn't let go until blood is drawn if he is seriously upset. If you are fortunate, you will just get the pinching bruise.