He has you in mind and appreciates your contacts, but other social obligations play a greater role for him right now.
He does not want to give up his fixed structures in his professional life and in his free time for a new love.
Therefore, you should not cherish too high hopes for a partnership with him. As soon as you stop chasing him, he may reconsider his fixed priorities in life.
For more detailed information on topics like love, career and more, check out The Hierophant.