Feeling Rubbish

I had a plan today and I failed.
Got to the door and couldn’t go in. I hovered and thought about it but couldn’t. Somebody asked me if I wanted them to let me in but I declined.
I turned and left and minutes later had a panic attack. I recovered and walked aimlessly round town for a few hours. It is hard now looking back as to where I walked.
I feel so strange today, spaced out, alone and like I am in slow motion.
The after effects of the last few days perhaps.