Think of your brain as billions of little railroad tracks and your thoughts are the train (“train of thought”).
There are different pathways that light up every time you feel, think, or do something. Some of these paths are very clear and make it easy for us to follow, daily. These paths are called your habits. The routines that you have created for yourself. The way you feel, think or do things.
Every time you feel a particular emotion, practice a task, or think in a certain way, you are strengthening and keeping your path clear for your thought train to ride down.
Now, say you want to think about something differently, learn a new task or feel a different emotion…