It sounds like she's being forced to leave home by a controlling mother -- not exactly an arranged marriage, but any one of a number of situations parents force their children into, like a particular school, or a relationship with the "right kind" of person. And, you know, parents force their kids into doing things that are maybe in line with their talents, but that they might not be ready for yet, or that they might know how to do but not be able to fully understand why they should do it.
It sounds like she's being forced to leave home by a controlling mother -- not exactly an arranged marriage, but any one of a number of situations parents force their children into, like a particular school, or a relationship with the "right kind" of person. And, you know, parents force their kids into doing things that are maybe in line with their talents, but that they might not be ready for yet, or that they might know how to do but not be able to fully understand why they should do it.