Have you ever considered giving yourself an annual gift?
Or maybe a monthly one (on a smaller scale)?
I have a relative who has a very limited budget, but once a month when she achieves her goal, she treats herself by driving to the beach and ordering the biggest ice cream cone she can find. She savours every mouthful while listening to her favorite Gospel singers. If she feels really good, she will even sing along with the noisy gulls while they beg for food. Two slices of bread encourage them to stay close by.