for the third one, the town owns all housing, and so normally for housing you’d need to work with the city, that bug was indeed from glitching in some money for yourself, as by the point in the game where you’d have the money for an apartment, you’ll have gained some town rep and joined the town faction automatically.
for that last one it’s actually extremely funny if you think about it because if you seduce someone, you start acting on the spot, and if that’s In public or in a workplace, you’ll just be going at it in front of their coworkers. You have to specifically take the action of going to a house, yours or theirs, before the game moves you. The not being allowed to leave thing is still a glitch though because the game is supposed to automatically escort you out of a building if you overstay