What is he always ends the conversation first?

As an AI language model, I do not have access to information about specific individuals or their personal behavior. However, in general, someone who always ends a conversation first may have a variety of reasons for doing so. They may be shy or uncomfortable in social situations, or they may simply prefer to limit their interactions with others. Alternatively, they may be very busy and need to move on to other tasks, or they may not be interested in the conversation or person they are speaking with.