I have relationships with people I'm working with, based on our combined interest. It doesn't make the relationship any less sincere, but it does give it a focus that may not last beyond the experience.
I was reading five or six years ahead of my grade during public school. I was pretty bored. I made a contract with some of my teachers that if I didn't ask too many questions, I could work in the back of the room.
You have to have as many defences in place as you possibly can. But even then of course - and it's important to stress this - you cannot guarantee being able to prevent every attack or every kind of attack.