I tried one or two things once or twice. Then I quit. At the very least you'd have a large string of failed attempts to show for your efforts. At that point, thoroughly annoyed with me, the person admits that their spark is about a 3.5. Let's move on to air.
Air is rarest of all commodities necessary for change.
Air represents the person's willingness to think and behave differently than he has in the past. Very few people are willing to change their behavior. Almost nobody is willing to change their thinking. Your results depend on your actions. Your actions depend on your thinking.