This dream may reflect feelings of betrayal and hurt in your waking life. The kitchen symbolizes nourishment and sustenance, suggesting that the friendship with A1 and A2 may have provided emotional support for you. However, their presence in the backyard, a private and intimate space, may indicate that they have crossed boundaries and caused you emotional distress. The fact that they were sneaking around and trying to hide from you suggests that they may have been dishonest or deceitful in your friendship. Your tiredness and sadness may represent your emotional exhaustion from dealing with the situation. The sliding door opening and your confrontation with them may symbolize your desire to confront them in real life and address the issues in your friendship. The fact that they were in your room, a personal and private space, may represent their intrusion into your personal life and boundaries. Your brother’s presence and knowledge of their actions may symbolize your support system and the validation of your feelings. Ultimately, your decision to ask them to leave and assert your boundaries may reflect your need to protect yourself from further hurt and betrayal. This dream may be a reflection of your subconscious processing your emotions and desires in regards to this friendship.