Ancient Greece and in Ancient Rome
I believe the answer is: True
When we do something foolish and risky, we would put ourselves in a situation where we have to quickly adapt to new things if we want to survive.
Even though sometimes this ended up in failure, it also give us a lot of experiences that would help us in our future decision making.
I believe the correct answer is hallucinations.
People with schizophrenia, a
chronic and severe mental disorder that affects person’s thinking, feeling, and
person’s behaviour, often have disturbed perceptions, such as hallucination,
which are sensory experiences without sensory stimulation that involve the
apparent perception of something not present.
The 
would enable a woman to assess a man's level of commitment, detect the existence of prior commitments to other women or children, and simultaneously signal to the man her sexual fidelity.
