A: Great questions! Technically, you could argue that the 10 day period to cure/repair has expired - meaning that you can walk away free and clear. The counter-argument may be "extenuating circumstances". But, I believe you would have a strong point that in fact has expired - meaning you can walk away.
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A: Yes, he or she may. However, the GAL would need to present the witness on the witness list (as there might be provisions before the witness can take the stand, to protect the party on whose behalf the restraining order was granted).