I definitely know that feeling. And while I don't draw much anymore, I do have problems with disturbing intrusive thoughts that I don't tell anyone but my T about because I'm pretty sure I'd scare them.

This usually happens when I am holding in something overwhelming, and it pushes through in thoughts and in my creative endeavors (I'm more a writer now), but day to day, I'll have depersonalized episodes where everything looks fake and I feel like I'm looking out at the world from inside a glass box. And I'll just feel nothing, like something inside me died. I think it's a way to push down the reality of what's bothering me -- but that just leaks out in my thoughts, rather than my emotions.

I find the only way to get through this is to confront it. Figure out what it is first, and then talk your way through it. Sometimes my own body resists confronting these things, and I feel sick just talking about them. But once it's out, it feels better.

Last I felt this way was during a massive rupture with T. It took a long time to get past it, but he tolerated all of my rages and tears. I'd say definitely try to get to the bottom of it as soon as possible, if you can.