https://bookshop.org/p/books/exit-to-eden-anne-rampling/0da5f5fc77b7f09e

Anne Rampling aka Ann Rice. 'Exit To Eden' Dominatrix falls for the latest pleasure boy hired for her island paradise.

https://bookshop.org/p/books/the-silver-metal-lover-tanith-lee/49390bedd75175ac

Tanith Lee. 'The Silver Metal Lover' In the future, an overbearing mother buys her pampered daughter the most advanced robot ever created.

Both authors have other titles Mom might enjoy.