Wordless Wednesday: Smile, Max!

People with autism sometimes have trouble getting a camera smile right. 
Here is the source of the smile: Models he'd created.

 All smiles elicited by one or the other model, plus camera.

Anyway, it's good to remember that facial control is a learned skill.  Some people take longer to learn it than others.
Autism After 16 has a good article about social skills and how to develop them.