While being self - centered is perfectly natural for your 2 - or 3 - year - old, it's not too soon to set an example of good social behavior for him. (babycenter.com)
Doing so encourages your child towards better social behavior and develops the ability to make friends, which are skills that help your children for the rest of their lives. (clothorganicdiapers.com)
Most importantly, be sure to offer praise when your children demonstrate good social behaviors. (verywellmind.com)