In straight relationships with an age gap, words like ‘gold-digger’ and ‘trophy wife’ get thrown around.
You go for your gold-digger lessons, then you go get waxed and tanned.
She also had hopes of becoming a child psychiatrist and was concerned about appearing to be a “gold-digger.”
also gold-digger, "woman who pursues men for their money," first recorded 1915. Literal sense attested from 1830.
A woman who uses her charms and favors to get money, presents, etc, from wealthy men: Lorelei Lee, the crazy-like-a-fox gold-digger (1920+)