It sounds to me like a paradox because it is a strange saying but it has a bit of sense .
I suggest it is probably a paradox
The literary device used in the given sentence is a rhetorical question. A rhetorical question is a figure of speech where a question is asked, but no direct response or answer is expected. Rhetorical questions are often used to make a point or emphasize a statement by creating an effect of thought-provoking or persuasive communication. In this case, the question "can you live without it?" is asked, but it is not meant to receive an actual answer. Instead, it prompts the reader to consider the idea being presented.
