This calendar is an in-your-face reminder that if you hyperfocus on something, even for a short period of time, you can change your life. 
 
Feel the satisfaction each day as you mark off a big square as a reminder of your accomplishment. 
 
Think of the potential life altering effects could come from focusing on a new skill like learning to code, learning a language, working out, no fast food, etc...
 
Take a chance and commit to 100 days.