What does "be likely to stick" mean?
"Be likely to stick" in this scenario means to be likely to continue to do something; to get into a habit of doing something. Matt is telling his audience that if they were to make small, sustainable changes, they will get into the habit of continuing these changes and learning something new. Ex: The information is more likely to stick if you were to apply it to real life. Ex: Flossing your teeth is more likely to stick if you flossed every night.