and a mental state, attentiveness, etc. sensor - "Your driving performance in the next hour is estimated to be 10% worst than your average, and will incur 20% insurance premium increase for that trip. Do you still wish to start the car? "

Me: No, I wish to sit in the car and bang my head on the steering :(

I think the new Genesis cars have this as a feature, on the start button. The upside is you don’t need to carry keys.