Thanks for your reply. It has been a gradual process of withdrawing ever since we got married (many years ago). We have three children. When they were at home and in school, she was very occupied with them and not much interested in a social life beyond the family, whether adults or children. Now, in their 30s, the two boys are grown and have lives of their own far away. Our youngest, a daughter, is living at home after having lived apart at various times during her studies. She is 29 years old and still embarking on her career. My wife's introverted behavior started to become more pronounced several years ago. She has never had a job and doesn't drive (refuses to get a license). My daughter and I do all the shopping and chores. My wife no longer shops, cooks, cleans, etc. for us. She does not have a disability. She is overweight and with all the inactivity very out of shape. But she takes care of her personal hygiene, makes her bed, does her laundry. She gets up to use the restroom and the kitchen, goes outside to smoke. But she has no interest in doing anything with me. Occasionally, my daughter gets her to go out, but they sometimes argue and afterwards my wife seems to regret having gone. As for anhedonia, I would say she gets little pleasure out of anything but reading, which she does incessantly. She is very intelligent, but also tends to fantasize and fabricate stories in communicating with others (usually they focus on how special she is and how much she knows about highly specialized subjects). I have tried talking to her many times about it, but she claims that she is not depressed, not even unhappy. She seems to think that my complaining about her reflects something wrong with me. I went to a therapist for several months, but she would not go. Mostly, she is quite passive-aggressive about the problem and most everything else that concerns our relationship. She ignores me and then acts as if she had done nothing. Which, though true, is very annoying.