Relax, you have successfully beaten the old curse of smoking,well done, as we know it is a major addiction and hard to quit and you did it, it is bound to have left you with some anxiety, so chill out, leave your Bowels alone , as you are eating healthily unless they are on vacation (Your Bowels)all should be well soon, make sure there is plenty of Bulk when you eat the veg and fruits how about you add Oatmeal or some other chosen delicious high fibre cereal. Relaxing is the Key here , and more exercise will help 'move' things along!