[header] How to be a good 12 year old [title] Follow household rules. [step] Go to bed when you are told, and do chores if you are required to do so. If you are unhappy with a particular rule, speak with your parents (and other household members) about changing it. 
[title] Be polite and respectful to your parents, siblings and other household members. [step] Treat others as you wold like to be treated.