I think you will for now! Try and put it behind you and move on...
Tuna is not on SSing Plus as it is an oily fish.
But if you keep nibbling you will eventually unleash the hunger monster that will send you into uncontrollable eating.
That is why it is important to reintroduce food and carbs in a planned way to prevent this from happening.
You have done so well having a month behind you which is a wonderful achievement.
Try to focus your mind back on what you want to achieve and think of all the positive benefits you will get out of losing weight and getting fit.
Love Mini xxx