it now uses complete sentences, can describe exactly what it is doing, and can participate in a conversation with a third party. In addition, its emotions are obvious, it can play next to children (but not always with them), while it often changes moods. Also, it can copy behaviors, it knows colors by their names, and it can make groups of similar objects or images.
Physically, it can use the toilet by itself, he can throw or kick a ball and avoid obstacles, it can jump and climb, it can even ride a tricycle that has auxiliary wheels.