Guiding system malfunction?

This weekend marked the beginning of a series of failures in David's navigation subsystem. It started out with an uncertain step or two and quickly escalated into serious collisions with solid state objects. Our development team (mom and me) was stumped. David was apparently turning into a danger seeking missile. After lengthly consultation with senior developers (grandparents) we decided to continue monitoring the situation and keeping an eye on trace logs.
After a while it became apparent that there was no bug in the subsystem module. All system are go. It seems David just got way to confident in his abilities. A busted lip, some bruises and a few head bumps are just warning signs of things to come. It seems David is definitely not one of those quiet, unassuming, modest children that play with their toys while mom and dad lovingly observe them with that serene look on their faces. He's more like... well this: