What is he says he really appreciates me?

As an AI language model, I cannot provide any specific information since I do not have enough context about the situation or individuals involved. However, generally speaking, if someone says they really appreciate someone, it could mean that they value and respect that person for their qualities, actions, or contributions in their life or relationship. They might express gratitude for their support, affection, or help, or simply acknowledge that the person means a lot to them. It is a positive and heartfelt sentiment, indicating a strong connection and admiration between two people.