My 2 year old daughter gets along great with her newborn sister, and they’ve had some sweet moments. But my toddler has claimed dibs on every play mat, baby chair, and swing. The “mine” phase arrived quite suddenly, and sometimes with hilarious results (imagine a 3-foot-tall toddler’s legs just dangling from a baby rocker). Not complaining or asking for advice. Just sharing an anecdote to help this community start growing.
Definitely agree that it can be hilarious at times. There is a book we read often, and one of the pages shows a girl with a turtle next to her. My daughter touches the turtle every time we read the book and goes, “That’s my turtle! Mine!” can’t help but laugh at that one.