我51岁,我妹妹1978年的,我们一起出来旅游但是现在跟我决裂了，就是因为我说她照相技术差，跟我照的照片不好看

I understand that you are feeling upset and confused about the situation with your younger sister. It can be difficult when we experience conflict with loved ones, especially when it seems to stem from a small comment or criticism. It's important to remember that everyone has their own unique perspectives and sensitivities, and what may seem like a harmless remark to us can feel hurtful to someone else. From a Buddhist perspective, it's helpful to approach this situation with compassion and understanding for both yourself and your sister. It's natural to make mistakes and unintentionally hurt others, and it's equally important to forgive ourselves and others when this happens. From a psychological perspective, it may be helpful to communicate openly and honestly with your sister about how you feel and try to understand her perspective as well. It's possible that there may be deeper underlying issues that contributed to the argument, and addressing these can help to heal the relationship. It's also important to set healthy boundaries and take responsibility for our own actions and emotions. If your sister is not ready or willing to communicate, it may be helpful to seek support from a therapist or counselor to process your feelings and work towards healing. In terms of coaching advice, I would suggest approaching your sister with an open heart and mind, and expressing your desire to work towards a resolution. Try to listen actively and validate her feelings, even if you don't necessarily agree with them. It may also be helpful to apologize for any unintended hurt or offense caused by your comment. Remember to be patient and compassionate with yourself and your sister, and focus on building a foundation of mutual respect and understanding.