monogamist

‘The Bolter’ In the novels of the British writer Nancy Mitford, it’s a nickname given to the narrator’s mother, a serial monogamist who cycles through relationships.

She was so terrified that she became a serial monogamist, seeking safety in partners she hoped would protect her.

A self-professed serial monogamist, he lives alone, but his girlfriend lives next door, and is fully on board with his cause.

“He was sort of a serial monogamist.”

The title characters are complementary types: Fiona is an outgoing serial monogamist and a law-school dropout, Jane an insecure budding author who struggles with her bisexuality.