Wendy is off on holiday for a week so I asked Debra Hughes for some insight on your question:

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2) Balancing the cures is less about each individual cure/activation and more about how they fit with the space in general. If you're unsure you can always use muscle testing (page 68 of the Level One manual), or Diamond Dowsing if you are a dowser, to determine the energy impact and/or effectiveness of a cure/activation.

3)The direction of a headboard is considered in relation to personal directions based on your Personal Energy Number, not based on flying stars.

9) The box cure is described on page 24 of your Level Three manual.

All the best,

Shawn