Common Sense and Courtesy

Parenting is the hardest job I ever had, and I can't even take a day off. How does one balance the need to establish rules and guidelines, with wanting your child to have fun and be with friends? I think the need to walk the line is so difficult; you want to do the right thing, but then you end up driving all over the countryside and being disappointed when your child does not act as you would wish. She is a good, sweet girl, but she seems to have no sense of how her actions impact others, and in this case, her parents. Common sense and courtesy would go a long way, particularly when she has her own cell phone. I don't know the answer and hate being taken advantage of when I try to be flexible and understanding. Everyone just goes to bed feeling badly....and some people still wake up angry. I try not to do that, but ...