The advice in all these posts is excellent. While the amount of glucose a couple of small bites of rice will add to your bloodstream won’t be a problem, especially as part of a larger meal, you have to know for yourself whether the taste of the rice might trigger a binge or not.
A couple of things to bear in mind that might be helpful: first, you are entitled to do whatever you need to do to take care of yourself. If you come to the decision that even two bites of rice is not a good idea for you, you are entitled not to eat the rice. On the other hand, you may have reasons for eating two bites of rice that make that the better choice for you, and you are entitled to do that. Just be clear with yourself.
Second, we can always have more of something, but never less. So if you are going to feel deprived by denying yourself something, remember that you can always eat more—as much as you like, in fact—tomorrow. Today, have only a little bit, and tomorrow the field is wide open.
As a sugar addict, I can tell you I would be off to Dunkin’ Donuts the moment I decided I could never ever have any sugar again, but if I promise myself all the glazed doughnuts I want tomorrow, I can manage not to have any today.