Answer: the processing feelings of anger and guilt about situation.
Explanation:
the reason is because resiliency means to it means flexibility and to not give up and stay determined and to be resilient.
isolating oneself from a peer or a family relative just shows that you are grieving and giving up.
refusing to accept grief and remaining in denial is not the answer because denial means not accepting that something is true, which basically means you are stubborn.
Processing feeling of anger and guilt about a situation means that you are going to accept what happended and move on with your goal and not get pushed back by something.
It should be puberty because once a female starts her menstrual cycle she is able to become pregnant. The same should go for guys when it comes to their sperm becoming "active" in other words