You can also enable teen parenting and control breakup settings, like which Sim moves out when partners break up, or if children are involved, which partner they'll live with, and which will pay child support. In this same module, relationship settings control how fast or slow relationships, both platonic and romantic, decay. 'None' would also add some realism to off-the-grid gameplay, since, how would Sims get service?
Sims can get texts just for specific events, or for more asocial Sims, none at all. In this menu, Phone text settings can also help control the popup text messages Sims get.