You get to just say what's on your mind, even if you're talking nonsense.
And people in your life will think what you're saying is fascinating and adorable.
If you're unhappy you can be unhappy. Cry even.
If you're happy you can jump and and down and scream, "Yay, yay, yay!"
If you don't like the food given to you, you can just throw it on the ground.
(Okay, that's not exactly true. There are often consequences.)
Sure, being a toddler has its drawbacks. You don't have much say in what you do or where you live or what you eat.
But still, it's intriguing. I'm just going to start crying in public when I'm upset. I'll see how that goes.