True love is the experience, the way, method through which you connect with everyone with the basic cognition of Oneness. Please understand, the basic truth about life is Oneness. The vast energy field where all of us experience that Oneness, having that Oneness as a basic cognition, the way you relate with everyone, is “true love”.
“Fulfilling relationship” means, every relationship which reminds you again and again and gives you the experience of that Oneness, is “fulfilling relationship”. The person may be near you, far away from you, he may be your spouse, he or she may be your friend, whatever title, name you may give, as long as that being brings you to the powerful space and reminds you, makes you experience Oneness, it is “fulfilling relationship”.
True love is again and again reminding you of the space of Oneness, the unifying field of consciousness, and any thought, action, word, which comes from that experience of Oneness towards anybody, anything, is “true love”. Remember the basic truths about life of Oneness, you will naturally experience true love in your life.