How tiny daily choices lead to big changes

You’ll barely notice the effect of scarfing down ice cream tonight. Do that tomorrow, and consistently over time, and get diabetes.

Practicing guitar (or swimming or a foreign language) for 15 minutes daily won’t produce noticeable results the first week.
But 15 minutes daily is over 90 hours of concentrated practice over one year.

Minor habits practiced consistently over time produce momentum and lead to surprising outcomes.