 Both lines 3 and 4 give reason for the speaker's beliefs concerning his and his lover's lies.He wants to appear younger, while she wants to think that she is with a more youthful lover.However, the editor, Carl D. Atkins, approaches the first quatrain with a slightly different take, believing the word "lies" in line 2 to be nothing more than a set-up for the pun in the ending couplet, using the word "lies" to mean "sleep with" instead of "falsehoods".