If you do a practice and train your attention to hover in the present, then you will build the internal capacity to do that as needed - at will and voluntarily. ↗
The book is a dialogue between The Dalai Lama and a group of scientists about how we can better handle our destructive emotions and how to overcome them. ↗
I used to read five psalms every day - that teaches me how to get along with God. Then I read a chapter of Proverbs every day and that teaches me how to get along with my fellow man. ↗