Hi!
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Answer = discrimination in conditioning
we all make one her first. And we get excited, we fear. We're all 20 years old or 12 or 80. Honestly, we're all excited at first. :D Anyway. For example, the first day we started school. When I first started school, I entered with a shiver. But now I'm in grade 7 and I'm a hard-working student of my class. Every year the school starts, I'm looking at the little kids in class 1. Wrapped in their mother's cries are resisting crying to not enter. And I think of my times. I don't know how to say so. I understand again. We need to go over it to defeat the fears.
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Good Luck!
#Turkey