Getting along famously

Sophia and Jacob are siblings. And they do fight. Most recently, whenever Jacob pick up a toy and starts to play with it, Sophia suddenly gains interest and will grab it from him. A few weeks ago, Jacob would not mind, simply moving on to another toy which Sophia would then steal. But a few days ago, Jacob started to get indignant. Whether it's the new teeth (more evidence soon) or whether he is just starting to be aware of justice or is just inhereiting his father's temper (sorry my buddy), it is starting to change dynamics in the household. Sophia no longer gets away with grabbing Jacob's toys, and as a result, she often asks for "when sophie gets angry" as a bedtime story.

Regardless, the two of them get along very well most of the time. Here is evidence.