The answer is simple, really. It's because it represents their marriage. And it was carved into an olive tree, if I'm not mistaken. So if you wanted to move something carved into a tree, you would have to move the tree so... hope this helps in any way shape or form. :)
Where is the picture to the question
This short poem has End Rhymes, meaning that the rhymes are located at the end of each line. In this case, 'shine' and 'mine' rhyme and are located at the ends of each line.
I think they are visual aids! I find them helpful.
Thanks!
