Whatever you do, kingofdrink, never eat something like a sandwich without taking an appropriate dose of insulin. Without it, your bs will go through the roof and your mealime dose will be taken up with lowering your high bs, rather than dealing with the food as it's supposed to.
You don't have to restrict yourself to 3 doses of bolus insulin per day if it doesn't suit your eating pattern. Today, I only had 2 injections of Humalog because I skipped lunch. If I go out for dinner, I will probably take 3 separate injections to cover each course, because it's impossible to judge how much to take until you have seen how much food has been served.
All the best,
fergus