Dreams involving objects like a grenade necklace can symbolize feelings of danger or emotional volatility. In this case, the grenade may represent a situation or relationship in your life that feels volatile or potentially harmful. The fact that it is held to your heart suggests that this situation is deeply personal and may be affecting your emotional well-being.

The intense vibration of your heart chakra indicates a strong emotional response. This could signify the need for healing, balance, or protection in your relationships. It's possible that you are feeling threatened or anxious about something in your life, and your subconscious is urging you to pay attention to your emotional state.

Consider reflecting on your relationship with Tammy and any recent interactions that may have triggered these feelings. It may be beneficial to communicate openly about your feelings or set boundaries if needed. Additionally, focus on activities that promote healing and balance in your heart chakra, such as meditation, self-care, or spending time in nature.