I'm a very lazy person by nature. I have to be really engaged, and then I go straight from lazy to obsessive. I couldn't study chemistry, but I could memorize all the books for Dungeons and Dragons. It was ridiculous. The trick is to find what I like to do.
We have all examined our past critically and are very much aware of even the unpleasant things. Now, we need to look at what we plan to do with the lessons we have learned from the past.
A lot of the reasons why something is a favorite thing are all things you don't necessarily see, the place, the people, the time, where you are, what it meant to you at the time.