Make a list in your journal of the things that make you happy. Try it and in six months to a year go back and see if you can add more things. Journaling doesn't have to be hard. It is all about getting ideas and thoughts down to reflect upon later.
Bullet Journal: Daily spread and my chubby hand. Left page is yesterday daily log and right page is for today, a comparison between end of the day and the beginning of a day. I filled up my time ladder with actual activities I did and color