Quick Question

Has anybody like, experienced these things through out the month or is it just me?:
I'm not feeling that hungry through out the day.
I feel like i'm being watched.
I've been getting these headaches that come back every 10 minutes.
My legs hurt to the point that I can't even get up in the morning.
I'm more tired than usual.
I remember memories more vividly than last year.
I get scared easily
my family has been acting really weird. They're keeping stuff away from me.
I overthink too much.
My acedemic skills have gone down.

Please tell me i'm not the only one, I think i'm going crazy.
(This was not meant to scare anyone.)