Step 1: Open your social media platform of choice.
Step 2: Type the words "Today was a good day."
Step 3: Come up with one simple reason why day really was a good day, whatever "good" means to you, and write that down.
Step 4: Hit enter.
Step 5: Go to sleep.
Step 6: Wake up.
Step 7: Do at least one thing that makes today a good day.
Step 8: Repeat steps 1-7, indefinitely.
Step 9: World Domination