Granted there will be times during the month, the year, etc. that you will indulge more, just make sure you are keeping yourself honest and trying to make that 80-90% of your diet coming from whole, clean foods.
Another self-sabotaging move for people comes from when they don't indulge at all, they have labeled food as "bad" or "not allowed to have." What happens is there is only so much willpower people have and then they break, which leads to the vicious cycle of overeating and then feeling guilty and then berating yourself. It's okay to SPLURGE! It's encouraged! Don't beat yourself up if you had one to many pieces of pizza or too large a piece of cake, just commit to making healthier choices at the next meal. All self guilt does, is tear your self-esteem to shreds and that's not what being a healthy-fit person is all about!
Happy Wednesday, go and enjoy your day and keep focusing on those fat-burning workouts and staying on track with being the fit person you know you can be!