It will affect your health, adversely. All the terms we have for excess drinking - 'slaughtered', "ratted" "plastered" and all that silly nonsense mean one thing - alcohol poisoning, which doesn't quite have the same ring to it does it? At fourteen, your body is still growing, and you could be causing damage to your brain and internal organs which will affect you in later life. Being drunk is not clever, or cool, it's a silly waste of money - find a better way to spend your time, and learn to enjoy a drink, without overdoing it.