When the author is telling this part of the story he talks about his sweet silent thoughts when remembering things from his past. This really paints a picture for the reader even though they may not know the same feeling they can still be empathetic to the feeling.
Then can I grieve at grievances foregone and heavily from woe to woe tell o'er." This second statement really jumped off the page at me. because he is telling how he has coped with feelings from the past as if they were still actively present. The author is passing this feeling of woe telling how it can stack upon a person in dealing with this.
The author uses this next piece of figurative language,"but if the while i think on thee, dear friend all losses are restored and sorrows end." To not only explain a calming love not only to the reader but to his friend. In saying this he tells his friend that he is sad but in sadness all of the happiest memories make the feeling just as forgiven. This really had and exemplary contribution to the poem because it displays all actions of emotions for the unpleasant feeling of