Rollinstoned, I can really relate to what your feeling. Just like you, I don't feel emotionally flat or depressed, it just seems like I can't form coherent thoughts anymore. Also, I've always been a very philosophical and academic minded person, but lately I can't seem to manage even simple conversations (and I'm not a shy or introverted guy). I think much of it has to do with my living conditions. I live with my parents who I must constantly be around. They are both extremely narrowminded people and it's extremely difficult to have an intelligent, honest conversation with them. Because I feel like I can't be myself, and need to "make up" things to say, instead of what's really on my mind, It feels like I'm constantly drawing a blank. So I think the above posters are right about external circumstances having much to do with it.
