People
A man in love is like a clipped coupon–it’s time to cash in.
— Mae West

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker compares a man in love to a coupon that has been clipped: once it is cut out, the only sensible thing is to redeem it. The wisecracking line treats infatuation as a chance to profit, with romance reduced to a transaction.
Context reviewed