I think the answer to your question would be C it sounds like your having trust issues with your mom.
Head injury, as your head is your skull, damaging your skull is very serious as your brain is located there and damaging your brain could probably kill or limit some abilities
A loss occurs when something or someone in our lives is no longer available to us. Many times, these losses cause both physical and emotional stress, which must be managed....
It isn't literal. It's a war quote meaning if you put in good and hard effort, it can save your life. In my oppinion, that can relate to more situations and circumstances in life though.