It was driving me nuts how often my Erratic Sim was stopping what they were doing to either go shower in the rain or talk to an inanimate object. With this mod, Erratic Sims will only shower in the rain when they are dirty and will only talk to random objects when their Social Motive is low.
Modified XMLs
E882D22F!0000001A!000000000002D65F.sim_Rain_Shower.InteractionTuning
E882D22F!00000000!0000000000007B62.object_Insane_TalkToObjects.InteractionTuning