Another 0.2.1a bug: The sex sessions sometimes continue past the final round (the remaining-rounds counter go below 0); each extra round prints the error text
SCRIPT ERROR: endencounter: Invalid get index 'unlocked_sex_traits' (on base: 'Reference ()').
At: res://src/interactionpanel.gd:2267.
and pays out the full session XP to the participants -- so getting this error a few times is unbelievably good.