It is necessary for us to keep the constant way. Zen is not some kind of excitement, but concentration on our usual everyday routine. If you become too busy and too excited, your mind becomes rough and ragged. This is not good. If possible, try to be always calm and joyful and keep yourself from excitement. Usually we become busier and busier, day by day, year by year, especially in our modern world. If we revisit old, familiar places after a long time, we are astonished by the changes. It cannot be helped. But if we become interested in some excitement, or in our own change, we will become completely involved in our busy life, and we will be lost. But if your mind is calm and constant, you can keep yourself away from the noisy world even though you are in the midst of it. In the midst of noise and change, your mind will be quiet and stable.
Zen is not something to get excited about. Some people start to practice Zen just out of curiosity, and they only make themselves busier. If your practice makes you worse, it is ridiculous. I think that if you try to do zazen once a week, that will make you busy enough. Do not be too interested in Zen. When young people get excited about Zen they often give up schooling and go to some mountain or forest in order to sit. That kind of interest is not true interest.
"When you do something, you should burn yourself completely, like a good bonfire, leaving no trace of yourself."
There are several poor ways of practice which you should understand. Usually when you practice zazen, you become very idealistic, and you set up an ideal or goal which you strive to attain and fulfill. But as I have often said, this is absurd. When you are idealistic, you have some gaining idea within yourself; by the time you attain your ideal or goal, your gaining idea will create another ideal. So as long as your practice is based on a gaining idea, and you practice zazen in an idealistic way, you will have no time actually to attain your ideal.