Then she needs to work it out for herself, and learn from the experience. Magick isn't for working out mundane affairs that can be worked out without it. How can lessons be learned in life this way? I hope it ends well. Be well Fae.
Take two lemons and cut the stem ends off.
Write one name eight times on a piece of paper and the other persons name eight times on another.
Roll it up and poke in the lemon, one in each lemon.
Bury these lemons in the yard where the sun rises and sets on them. Every day at one o'clock pour one-half cup vinegar on the lemons. Those people will fight and part.