When the most important thing is robbed from someone, one of two things will happen. They will either fall into despair, or they'll move on. And for one strong willed Apple mare, there's really only one option.
MLP has been known for six best friends going through different adventures. What no one talks about is that original part of Applejack was played by a male. Things didn't work out after he impregnated half the cast.
Some ponies find love, and to those few it means everything. Losing it can drive them to horrifying lengths to take it back, lengths some ponies would call insane. For one pony however, no cost is too great and not taboo restricting.