When one starts, the other joins in. Either because it’s so upsetting watching your sibling cry, or because they know that if they cry too, they get in on that sweet attention. If they’re both pooing and crying, just give up. Call in reinforcements.
To give our toddlers the best chance of behaving how we’d like them to during a wedding ceremony, we need to give them a heads up, for everything. A heads up and a running commentary at the same time (in a whisper). Channel your inner David Attenborough.
The more you listen to your playlist, the more likely it is to be a source of that delicious oxytocin we all keep going on about.