"Love is spiritual. It's about self-sacrifice and commitment. And discipline. You cannot have true love without discipline and respect. When you lose the respect of your spouse, you've lost everything."

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Whatever it is you seek, you have to put in the time, the practice, the effort. You must give up a lot to get it. It has to be very important to you. And once you have attained it, it is your power. It can't be given away : it resides in you. It is literally the result of your discipline.

— Michael Crichton