First of all, you have to sit down with a piece of paper and a pencil next to the book and ban every electronic device in the vicinity. Then focus and do the ex

First of all, you have to sit down with a piece of paper and a pencil next to the book and ban every electronic device in the vicinity. Then focus and do the exercises. That's the method I recommend. It takes time, though, that I sadly no longer have. There are probably ten textbooks on my shelf waiting that I can't tackle for lack of time.