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I'll give you 2 ways in building the best defenses against challenges:
1) Praying to God &
 2) Thinking Positive

Praying to God
 Having faith or praying to God helps us in so many ways. We might not see or notice it, but I'm sure he is always watching and guiding us in every challenges we are experiencing.

Thinking Positive
 Negative thinking is bad to us. It can affect our confidence and health. It can also affect our social life. So, we need to think positive. Positive thinking have many good effects for us. One is becoming more confident.

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