Hope you are ok Perse and GT. 
DC do have treats from time to time. As you are probably all aware, one if my biggest fears is handing on a disordered relationship with food and eating and treats. I don't want to cut things out completely or worry about them going bonkers when access is possible (what happened to me). But I can't have stuff in the house routinely as we all overload on it. When I saw the nutritionist she agreed with this approach and also said to try non food treats as well. She also said to model good behaviours and choices - which will be a work in progress forever I think.
Back from hols. Still no spots. We had a lovely, lovely time!