What I found is, really, you always have to begin by nailing what is true about you, because something that works very well for someone else might not work for you at all.
Gretchen RubinA 'treat' is different from a 'reward', which must be justified or earned. A treat is a small pleasure or indulgence that we give to ourselves just because we want it. Treats give us greater vitality, which boosts self-control, which helps us maintain our healthy habits.
Gretchen Rubin