I'm floating away

When I walk now sometimes in public, it feels like I'm just floating by the people. I don't know if they notice me, but I sure notice them, do I walk too fast? Sometimes it can be nice to bite a metal post just to make sure the surroundings are real, it can most certainly give you some comfort and snap you out of it. Silly as it sounds, the world does feel so plastic sometimes, you wonder if it is all one big dream, your imagination, was I really there? did that really happen? did she really kiss me? Did I do all these things? Yes, I know I did, but I still ask the same questions over and over. I don't know...