Been on holiday for half term with kids. We went to a shop that is unique (there isn't one near us for about 100 miles). We were looking at some things, and I put something on the buggy (about 10 pounds). I was fully intending to pay for it but then 2 year old DD started to have a tantrum and I had to rush out of the store. It was only when I got back that I emptied the buggy and found that I still had it! I feel incredibly guilty, someone please tell me what to do....