At some point we need to bring in the specific text material from Lucretius. Also, in terms of marriage in Epicurus' own context, we need to be sure we keep grounded in Epicurus' will, in which he provided for the marriage of Metrodorus' daughter.
As for "Sweet" being before your generation, that's one of the burdens of being old like I am. I remember very clearly that song playing on the radio when it first came out!