Yesterday, I took my son to the park and there was a group of dogs there. One in particular found a stick he really wanted. Unfortunately, it was still in the tree. No matter how he jumped and how much he barked, he just couldn't get it. He didn't give up though. There isn't much cuter than my kid giggling and barking along with a jumping dog.
Today, I took him to the park again and he approached other kids to play. Mostly, he copied them, but still. This is a big change for a kid who used to only play next to kids instead of willingly interacting with them.