Concentration
We do unconscious things with our faces when we concentrate really hard on something.
This girl is focused on getting down a couple steps on her bike. Just like my son and husband, she sticks her tongue out when she concentrates.











http://www.ForBikesSake.com/bike/trackback.cfm?2FAB2636-3048-78A9-4D9F9C1547D0634C