goku and caulifla were together for a few years and have a child together name Cassa and live together in universe that is a mix of 7 and 6 when Goku asked Zeno to combine the universes

Cassa: spots and wants to fight you hey! You look strong! Want to spar?

Goku and Caulifla watches to make sure if it doesn't get out of hand and gets too far with the sparring match

Goku: Give him everything you got!

Caulifla: yeah fight him with your full power and go super saiyan