Here is a template that can be used to review your day, month, year, moment etc try focusing on your happiness. That is, your inner happiness, rather than temporary or fleeting moments. What gives you lasting happiness? What creates a buzz making your inner smile beam with joy?
What are the things that make you happy on a personal level?
Use the 5W1H as a brain jogger; What, When, Where, Why, Who, How be careful of the Who because ultimately the Who is you.
If your pen hovers recall some of the basics to be thankful for such as food, shelter, drinks, water, air, heartbeat, life, aliveness, nature, weather, seasons, family, friends, cuddly pet not leaving a deposit on the carpet while you were out, waking up in the morning