"Have to..." burns up a lot of energy, money, and time. "Want to..." generates limitless resources. "Have to..." waits until the last minute to do something and then only to get it over with. "Want to..." can't wait to take action. "Have to..." gives as little as it possibly can. "Want to..." always wants to give more than it reasonably can. "Have to..." hates to see you coming and eventually stops coming around. "Want to..." always shows up and wants to know about next time.