I am not looking for self-diagnosis, I just want to know what metal disease my symptoms are related to.

I feel strange. Like I'm not me. I don't feel connected to my feelings, thoughts or senses. Even my memories seem distant, as if they were not mine. I feel like "an observer of myself," as if my consciousness is outside of me. I see reality as meaningless. As if I am living in a dream. I see familiar people and places, but I don't feel connected to them. And many more things just as strange. And I get stressed. I get very stressed. I want to get out of that annoying state, but I cannot.

It happens at times, not all the time. There are days when it doesn't happen to me, others when it does. For example, in class the other day, talking to a friend, I suddenly felt as if I wasn't next to her. I mean, physically yes, I knew she was there, but I felt like my consciousness was in a dreamlike state, far away from us. Or in the classroom, sometimes I notice the distorted, "artificial" reality. I see my hands smaller, some things, like the table or the blackboard bigger. I notice the meaningless, unreal reality, as I said before.