Read the excerpt from paragraphs 15 and 16. (15) My last class in French!
(16) And I barely knew how to write! So I should never learn! I must stop short where I was! How angry I was with myself because of the time I had wasted, the lessons I had missed, running about after nests, or sliding on the Saar! My books, which only a moment before I thought so tiresome, so heavy to carry—my grammar, my sacred history—seemed to me now like old friends, from whom I should be terribly grieved to part.
How does the use of personification in the underlined words affect the meaning of the passage?