Tell them they only get to ask one of those questions.
They will say, "I can't believe you got rid of all your stuff!" followed immediately with "What if someone steals all your stuff??"
If you are female and alone, it will be much greater for people (parents/relatives) to understand, do not be frustrated by this. Their intentions are good. Be gentle with people, we all feel threatened by the unknown; it is even more threatening when it involves a young female loved one--accept people's