What exactly do the cheats do? I enabled them but haven't seen anything different anywhere.
After you hit 'yes' and start up a new game you'll notice a screen at the top that will show you the exact amount of "points" each stat has. This will live update, so you can see what choices effect what and monitor as you play.
If you don't like how you choice changed the stats, you can roll back and try another choice. It can help you unlock endings or work to get better affections, and so on.