There is a book by the same name https://www.goodreads.com/book/show/4866.How_to_Stop_Worrying_and_Start_Living https://www.goodreads.com/book/show/4866.How_to

There is a book by the same name https://www.goodreads.com/book/show/4866.How_to_Stop_Worrying_and_Start_Living https://www.goodreads.com/book/show/4866.How_to_Stop_Worryin... I read it many years ago. You essentially just have to take each day one at a time. Live in the now.