One thing I've noticed is that any phone call my Sim makes (that I direct them to) makes them angry from "no signal due to not being in the grid' when they're on the grid (don't have the lot trait on ...
Literally just had that happen to my sim and don't have the off-the-grid lot trait. It was love day and she was on a date, she was angry the whole time.....it didn't go well. :D