The cat plate and the llama plate.“I want the cat plate,” my three-year-old declares as I begin dishing up dinner. My one-year-old is too young to argue her case, so the eldest wins. The littlest ends up with the llama plate – not a terrible outcome, but I think she would’ve quite liked the cat plate, too.It’s a quick fix on this occasion, but it had me wondering: when both kids are old enough to voice their opinions on which plate they want, it’s going to be complete and utter carnage. Katie Nessel (aka @soberishmom on social media) knows this all too well.She recently let parents expecting a second child into “a little secret that nobody told me” – and anyone with siblings or more than one child will heavily relate.“You see these cute sets with different colours of straws and cups,” she said in a reel, holding up a multipack of cups and straws in the supermarket. “These straws, they represent hundreds of fights and arguments. ‘I want the pink straw!’, ‘No it’s my turn for the purple straw!’, ‘Oh he got the Bluey plate last time!’,” she said.Her advice? “You pick one colour – every straw, every cup, every spoon, every plate, should be the same colour,” she