1. 10-12
2. 18-20
3. 18(tobacco) 20( booze)
4. 18 Men.. 25 female.. Lol.. nah just joking..18 all around..
Reasons
1. 10-12 One should be a innocent child as far as possible..imo
2. 18-20 Cause to early is no good .. one needs to understand the deal..not just do it for the cuase of it.. and to late is no good either..some can end up having some issues
3. 18 is good for tobacco.. cause it wont make you loose your mind.. no matter how much you use it..plus at that age you should be able to decide if you want to ruin your life..
20 for booze cuase.. not only does it effect you..but if you cant handle it..you will end up effecting other ppl..
4. 18.. cause i dont think your ready before that..simple as that..some are..others arent..and agian with that they can put others in danger..