" It’s broken!” Gieo stumbled back out of the airship crash with a cornucopia of devices cradled in her arms, discarding most of them as she went, finally filtering down to one specific machine, no bigger than a television remote, hemorrhaging copper wires. “What is it?” Fiona asked, hoping it wasn’t something useful she might later steal. “It’s a Sapphic Intimate-Encounter Reciprocity Concluder,” Gieo said glumly. “Um…okay…what does it do?” “Only let’s a lesbian couple know when they’re done having sex, duh,” Gieo said. “Without it, girl-girl sex could hypothetically go on indefinitely. I mean, how else would you know when you were done?” “Usually when everyone’s happy or my jaw starts hurting.” “You’ve clearly had better lovers than me. "
― Cassandra Duffy , The Gunfighter and the Gear-Head (The Raven Ladies, #1)