I once spent much of an entire semester during grad school writing with my left hand. (I am a natural righty.) I was inspired to do this by reading the book How to Think Like Leonardo Da Vinci: Seven Steps to Genius Every Day by Michael J. Gelb.
By the end of the semester, I was able to generate a passable and sufficient handwritten note with my left hand. I had impressed myself with the ability to learn such a skill after writing with only my right hand for the rest of my life. What was also interesting about the experiment is that I took my class notes with my left hand. I feel like I took better notes because I was more focused on what I was writing.
Each day provides a unique opportunity to do something different. Whether it is writing with your non-dominant hand, or challenging yourself to perform five random acts of kindness, each day serves as a new start to try something that takes you out of your comfort zone.
So, I challenge you to try something different today. Learn to write with your left hand. Take up a language. Teach yourself to play an instrument. Whatever it is, do something different.
Be like Da Vinci.