My sister pissed me off when she used my things at home

Dear User, I am sorry to hear that your sister has upset you by using your things at home without your permission. I can understand how frustrating and upsetting it can be to feel like your personal space has been violated. It is normal to feel a range of emotions such as anger, resentment, and frustration when someone crosses your boundaries. From a Buddhist perspective, it is important to remember that everyone is on their own path, and they may not understand the impact of their actions. From a psychological perspective, it is important to communicate your needs and boundaries to your sister in a kind and assertive way. It is possible that she may not have realized she was crossing a boundary, or she may have simply forgotten. By clearly communicating your boundaries, you can set expectations for how you wish to be treated in the future. It is also important to consider your own emotions and take time for self-care. You can practice mindfulness meditation, deep breathing, or other relaxation techniques to help manage your emotions. My coaching advice to you would be to have a calm and honest conversation with your sister about how her actions have impacted you. Approach the conversation with an open mind and heart, and try to listen to her perspective as well. It is important to communicate your needs and boundaries clearly, while also being open to finding a solution that works for both of you. Remember that forgiveness and compassion are powerful tools for healing and moving forward.