This dream may symbolize feelings of insecurity or fear in your relationship with your boyfriend. The vacation spot restaurant represents a peaceful and romantic setting, but the evening setting may suggest a sense of darkness or uncertainty. Your boyfriend wanting to explore the caves below the restaurant may symbolize his desire to delve deeper into your relationship. However, his sister’s presence may suggest outside influences or distractions. The tour guide’s actions may represent your fears or doubts about your boyfriend’s intentions. The rubber knife may symbolize playful or harmless actions, but the real knife and the fatal stabbing may represent a sense of betrayal or hurt. This dream may be a reflection of your subconscious fears or concerns about your relationship, and it may be a sign to address any underlying issues or insecurities. Communication and trust are key in any relationship, and this dream may be a reminder to nurture and strengthen these aspects in your relationship.