12 years but only 8 years awake. By the time a person is twelve, they will have spent 4 years sleeping.
Dating is not an issue, but any contact could be very bad for the 17-year old and land him in jail. Why would he want to risk it? I highly recommend against it.
If you are still alive you will be 1,000,000,012 years old.
Of course.
12 years old