@Appleblossom i truly feel for you my dear. Been so very often where you must be now. i know the best way to heal is to stop belieiving what YOU think other people think of you, or what you to believe other people want you to be like.
All such inner ' self talk' makes you untrue to who you really are, that is way you feel so bad when this is happening to you. i have suffered like yourself very deeply down there overcome thinking like so.
In The End all that matters is what Jesus thinks about you. And shall i tell you something beautiful my dear sufferer? God loves you to come to Him when your burdens are heavy, for not only can Jesus lighten the load, He is all EARS to hear you share your pain with Him, that is if you dare believe His love for you!
This is how i got out of those horrible anxious times you are going through at the moment. Feeling completely swept away by demands you can not ever meet and found my identity solely in Him and i have not suffered from any image problem ever since being who i really am. So much comfort in that let me assure you.
i share you a poem i wrote about such times maybe it help you.
Darkness Reigning,
When wicked voices are really close,
then darkness got me by the nose.
"Where is your truth" they mockingly sneer,
casting nets spreading doubt and fear.
Isolation is their jail of presence within,
trading my weakness so i will not win.
See how they enjoy my every fall or slip,
as my fallen reality is their strongest grip.
Building in my mind their own life form,
so depressed deeply is my daily norm.
Now see them fight to retain their place,
trying to keep away any love or grace.
Only showing me their cruel hold inside,
and so me into their slimly pits to smite.
Where deeply influenced by their thrash,
My light of day took an enormous crash.
Yet i remember wicked rule is a short reign,
As my light of day will surely shine again.
When i will find my true self back in the end,
the me Jesus kept when I went around the bend.
Some brief Scriptural teachings that could help you with these matters. i hope such can be helpful. The Balaam teaching might be the best listen to before Christ in you for easiest comprehension.
https://www.youtube.com/watch?v=paK4QguTvwg
https://www.youtube.com/watch?v=TsnXXLfTaaw