>>>>So, if you haven't taught him right by 17, then you do nothing because it's too late?
>>>IME most 17 year olds are still capable of learning.
>>
>>Ok, I'm confused. I understood yours comments to say that they should know how to act by 17 and using the software would have no affect because they are going to do what they want anyway. Your last comment seems to support my remark.
>
>I believe that by 17 he should have received "the talk" already - long ago, in fact. But, if he hasn't, it isn't too late. "The talk" is way more important than any technical measures that could be taken.

Makes sense, but is there anything wrong with using both?