With all the focus on looking after a child, you might forget or run out of time to look after yourself. These physical skills depend on how often your child practises them. Every parent makes mistakes and learns through experience. You should see a child health professional if at any age your child experiences a noticeable and consistent loss of skills she once had. Thinking Your child has a much better understanding of the relationship between cause and effect. For example, you might find yourself serving dinner to a scuba diver, a rock star — or maybe even the Prime Minister! Friendships can also be challenging because friends can sometimes be bossy or cranky.