I totally get being scared. I'm starting later this month and I'm scared. Try to remember to stay grounded and talk to the counselors if/when you get triggered.
If it's a well designed program, they'll manage the pace and degree that anyone gets into their stories to keep it as safe as possible.
But don't be afraid to quit, if it's too much to handle.
The important thing is that you don't hurt yourself in any way.
splitimage
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"I danced in the morning when the world was begun. I danced in the moon and the stars and the sun". From my favourite hymn.
"If you see the wonder in a fairy tale, you can take the future even if you fail." Abba