A Christmas Carol was written in 1843 and had a major influence on our idea of an old-fashioned English Christmas. ... Dickens's novella also provides us with a vivid picture of the extreme cold and snow found in London streets in late December as we join the Christmas ghosts who visit Ebeneezer Scrooge.
Hope this helps.
When apostrophe is used as a figurative language in a poem, it gives the poem a more personalized effect as the speaker is going to call out a non-existing person, an idea, or thing. It has not been common in the 20th century, though.
The main idea behind it is that life is short and that we need to laugh and be happy while we have time and not focus on negative things because life is short. If life hits you in the teeth there's no reason to be depressed forever about it, just laugh and be happy and keep moving on.