At what age do children become aware of this world and lose their childlike innocence to the harsh reality of Society and life?

As children we start off as innocent people but when we encounter the real world we lose our childlike innocence. By interacting with other kids we become altered by the environment we get influenced The stuff we see on TV media internet
At what age does it start?
At ages 11-12
At age 8-10
At age 7
The minute they start elementary School
Select gender and age to cast your vote:
At what age do children become aware of this world and lose their childlike innocence to the harsh reality of Society and life?
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