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Baby sits
8 months -
Baby crawls
9 months -
Baby begins to walk
12 months -
Child begins muscle development, they begin to experience more with their senses. They become more mobile, and learn how certain things affect their body.
2-6 years old -
Adolescents and children begin to develop self-esteem. They find out what they liked to do, and what they were good at doing. This leads to their self esteem rising up.
7 and above. Even throughout adulthood, our self-esteem falls, and rises.