Biblical Answer

Step 1: Understand the Question

The question is asking if the message from the unknown source is a real indication of the end of one's life, specifically a family member passing away within the next 12 months.

Step 2: Evaluate the Message

The message states that the person will lose someone very close to them within the next 12 months, but to not be dismayed. This message could be interpreted as a prediction or a warning, but it does not provide any specific details or evidence to support its claim.

Step 3: Consider the Context of Mortality

The message is placed in the context of mortality, where the speaker acknowledges that death is a part of life and that our lives are but a vapor. This context suggests that the message is not necessarily a prediction of a specific event, but rather a reminder of the impermanence of life.

Step 4: Evaluate the Message from a Biblical Perspective

From a biblical perspective, the message could be seen as a reminder of the fleeting nature of life and the importance of living in the present. The Bible teaches that our lives are short and that we should make the most of the time we have (James 4:14). However, it does not provide any specific guidance on how to interpret this message as a prediction of a family member's death.

Step 5: Consider the Importance of Faith and Trust

The message encourages the reader to continue trusting and not to be dismayed when the loss occurs. This could be seen as a reminder of the importance of faith and trust in God, even in the face of uncertainty and adversity.

The final answer is: $\boxed{No}$

Note: The final answer is not a simple "yes" or "no" but rather a nuanced evaluation of the message from a biblical perspective. The message is not necessarily a prediction of a specific event, but rather a reminder of the impermanence of life and the importance of living in the present with faith and trust in God.