A couple quick observations. First of all, I admire your determination. I have never had a good experience working alone. You're obviously making it work. Good for you! However, if you have not had the experience of working with a well trained partner, you're in for a real treat when you start working school ball.
Second, enforcing basic rules of decorum is essential in keeping the game under control. If you don't set the boundaries, who will? Even if you can take it, don't. Without a partner, you've got nobody to watch your back. That makes it doubly important to maintain an atmosphere where things are under control.
Getting in somebody's grill is probably not the best way to deal with things. Especially if he's twice your size. And really especially if you don't have partner to step in and break it up. At least that was my experience