Get something like a golf stroke counter, or a piece of paper and pencil will do in a pinch. Every time you notice yourself saying or thinking the word ‘should’ give your counter a click. Keep this up for one whole day and see how often you use that one word. Why do this? Because every time you use the word ‘should’ you’re putting an expectation on yourself or someone else that isn’t based on logic or reason, just mindlessness.