so she tells him she must go out for the evening
to comfort an old friend who's feeling down
but he knows where she's going as she's leaving
she’s headed for the cheating side of town-- the eagles
To which, Ben Kepple asks:
Our question: what in hell is the cheating side of town? We mean, come on. Are we to believe some sort of weird socio-economic divide separated a municipality into sections for its respective adulterous and non-adulterous residents?
Indeed. We need to know this sort of stuff, if only for future reference.