The eight characters in the baby? Mom and Dad need to know this

The first deciduous tooth, the first call mother, the first standing and walking… the baby’s [first time] always brings infinite joy to parents.

When the baby climbs to walk for the first time, the parents will be ecstatic. When they are happy, they usually have some worries, because the baby seems to have a little internal horoscope.

What is an inner horoscope?