People do what seems easy and convenient, not what is best for them.
Whatever you fill your brain with and whoever you spend your time with... will determine your life a decade from now.
When values are clear, decisions are easy.
Habits, good or bad, can always be traced back to your own thinking.
Don't think of cost. Think of value.
We often talk to ourselves in ways that we would never let a stranger or even a friend talk to us.