Maybe you are not aware of this, but being a Chi is very difficult work. All that running, barking and playing can really take the energy right out of you! As you can see in this picture:
Here my VIH has to hold me up for the picture! I am soooo tired that I can't even spare the two seconds to pose and look cute for the camera. It's sad, I tell you. And then there's this one:
Look at my little head! It's all lopsided, I can't even keep it up (or my ears, for that matter)! And my eyes are literally drifting off, despite the flash. You need to walk in the paws of a Chihuahua to truly understand.