How Can I Convince My Parents To Get GTA?

Maintain your composure and common sense even if they are unable to, and engage them in discussion about the game. If they do play the game, you should question them why they think it is OK for them to play but you do not believe it is appropriate for you to participate. If they don't, you should inquire as to what they have heard about it that leads them to believe it is inappropriate for you to participate in the game.