Do you interpret that as positive or negative?
Now, if the question is whether this really is his terminal preference, or whether he misunderstands his own deepest desires and might, under different conditions, have suffered a "mid-life crisis" realizing he hasn't satisfied his true goals after all... I can't really say. You'd have to ask him. Probably after getting him very drunk, because "has your life been a mistake" is not the type of thing you make small-talk about.