Teens and kids will gain character values when performing certain interactions with their younger siblings (mainly babys). Based on character and a good deal of randomness, Sims can get positve or negative moodlets from interacting with a baby.
Sims will also be more sensible in autonomously taking care of their baby's needs.
Added Plopsy Options to the following Objects (so far): At Woodworking Table crafted Instruments; At Robotics Workstation crafted Utili-Bots, Chatter Bots, RC Quadcopter. Collectibles: Crystals, Metal, Fossils, Frogs, My Sims, Elements, Insects, Aliens, City Life Poster, City Life Snowglobes, Snowy Escape Gachapons, Artifacts. XML Injector needed to work