The six core therapeutic processes of ACT have a lot to say about the successful functioning of intimate relationships. There is some good work already out there on this topic. This post mentions some of that work, and includes some of my own brief musings on this fertile subject. Read on...
Acceptance and Commitment Therapy is based on a theory of language and cognition called Relational Frame Theory (RFT). RFT is a much broader theory with much wider applications than therapy. For now, ACT is the most commonly recognized application of RFT, but other developments from RFT are coming, for example new educational tasks have been created that are being used to train students. Other researchers are looking at RFT preparations for training such basic skills as perspective-taking, a basic component of empathy.