I find that for me, "Hey are you busy?" is enough to drag me out of my focus. At that point you may as well ask me about the time complexity of red-black tree i

I find that for me, "Hey are you busy?" is enough to drag me out of my focus. At that point you may as well ask me about the time complexity of red-black tree inserts. That way I get the request over with and back to what I was doing.