Taking a train, the slower the speed, the cheaper it is, and the longer we occupy the train, the less it will cost us. Because we care about the destination, not the process.

Children in the playground want to sit on the little train for a few more laps, because they focus on the process.
Just like ourselves, when we set a goal, the process is defined as hardship, tenacity, and self-discipline, and we can give up a lot in the process, such as physical health, family affection, and friendship. If you are passionate about the goal, the longer the journey to the goal, the more we are defined as cheap