He tells her not to tell everyone because she told him that she was going to boast about him at school.
He tells her she wouldn't understand, why.
Uh maybe something interesting or scary like Friday the 13th? Or like a ritual
Maybe she was scared that he whould get mugged
There are many of them. Restriction, border, boundary, edge, bound, maximum, restrain.
Answer: A :)
Explanation: Not sure I just guessed ,