Also, I always save my favorite of anything for last (for example, if I had an apple, a banana, and a strawberry, I'll always save the strawberry (my favorite of the three) for last). I don't know why, I just do.
not so much a quirk as a psychological thing! it's called delaying gratification and it also means you probably do that with other things too, which is a good thing, according to scott peck.