Is it normal, that i feel numb?

These past few months, I have felt nothing but numbness. I can't feel my limbs and I no longer feel connected to them. I feel like my soul is trapped in a "shell" and the shell is my body. I don't just feel like this in a psychical sense, I also feel like this emotionally. Nothing feels connected anymore. I don't even feel like this reality we live in is real...

I can't seem to get anything done anymore. I had all of these dreams and career goals that I wanted to achieve, but now they all seem to be impossible... A part of me is strangely content to feel this way, but on the other hand I would like this to stop. However, I dear the change since this is all I've known for a long time now...

Actually, for me to say that all this has been happening for a few months is wrong. I've had most of these symptoms for most of my life. I don't know what's wrong with me. I've had depression, but I don't think it's the culprit here. Could this be a severe form of depersonalization or is this due to something else? Living like this is so difficult... IIN?!