Children may also learn skills that set the stage for good sibling relationships by playing with other children. When your child is playing with other children, note her ability to manage conflict. See if she helps to keep the emotional climate pleasant. Child care providers also help children develop these skills. As they promote good peer relationships, they help children learn the skills they'll need for good sibling relationships.
Some children regress in their behavior when a new child arrives.
Children may be more demanding, have more toilet accidents, or they may have trouble sleeping. Although these problems can be annoying, parents shouldn't worry about them too much. They usually disappear in three to five months. Many children show signs of greater maturity when a new sibling arrives. They may take pride in showing that they are different from their little brother or sister because they can dress themselves.