This dream may represent unresolved issues or tension between you and your brother. The act of him trying to stab you could symbolize feelings of betrayal or aggression towards you. However, your lack of fear suggests that you may have a strong sense of protection over yourself and your relationship with your brother. This could also indicate that you have a good understanding of his behavior and are able to handle it calmly. The fact that he was not in his right mind could suggest that there may be underlying issues or conflicts that are causing him to act out. The presence of the stranger in the woods could symbolize an outside influence or threat that is causing you and your brother to feel vulnerable and unsafe. The panic and need to secure your home could represent a desire for safety and protection in your waking life. This dream may be a reflection of your subconscious fears and concerns about your relationship with your brother and the need to protect yourself and your family from external threats. It could also be a reminder to address any unresolved issues with your brother in order to maintain a healthy and secure relationship.