Visualize your thoughts as a sushi train that constantly revolves around you with different dishes that represent the flavor of thought. Some are pleasant thoughts you take off the belt for awhile and then place back on it. Some are unpleasant thoughts that we hold on to and it’s difficult to put back.
A useful model for mindfulness, we can observe our thoughts objectively as a sushi train constantly revolving. We can choose to put a thought down and pick up another if we can observe our thoughts.