Concentrating, real hard

You know how you always see highlights of Michael Jordan with his tongue sticking out? As if he would not be able to create the awe-inspiring highlight, or keep his balance, without the help of his tongue.

I have a tendency to stick my tongue out when I am concentrating, on things like ironing, cleaning, etc.

Today my brother posted more photos of his beautiful daughter, including this one. Looks like she has picked up her aunt's habit: