0
Solve a math problem
0
Get a retail job
0
Explore an area you haven't seen before
0
Be around with new people
0
Face your worst fear
0
Workout
0
Eat your least favorite food
0
Learn a new instrument
0
Ask yourself tough questions
0
Enlist in the army
0
Learn a language
0
Try a new recipe
0
Be offline for a day
0
Write a book
0
Explore new music genres
0
Take an academic course
0
Do some gardening
0
Try to break a world record
0
Crack a smile to someone
0
Try to solve a Rubik's Cube