Your child is getting a handle on those tricky things called emotions. This is fabulous news for mum and dad, as it means less frustration and impatience, and fewer tantrums.

Your preschooler will probably:
By four years of age, your child will be better at sharing and cooperating with other children, although you can still expect plenty of lapses.
Most five-year-olds are eager to please and fit in with friends. She will try hard to follow the rules to avoid getting in trouble. At this age, your child may even say goodbye to tantrums altogether and will be better at waiting for the things she wants.
By birthday number six, most children show signs of losing gracefully in games and are becoming more responsible.
Child and Youth Health South Australia (1996). Practical parenting 1-5 years. Melbourne: ACER.
Manning-Morton, J., & Thorp, M. (2003). Key times for play: The first three years. Philadelphia: Open University Press.
Rubin, K.H., Bukowski, W., & Parker, J.G. (1998). Peer interactions, relationships and groups. In W. Damon & N. Eisenberg (Eds.), Handbook of child psychology: Vol. 3. Social, emotional and personality development (5th ed., pp. 619-700). New York: Wiley.