"Some say that death of either partner can sever the bond, however many others say these Soulbonds have been with us for eternity's past and will stay with us into the next life, wherever that may be. The answer is, there isn't a way to sever the bond. But you could choose to not complete it, although in the past that has had disastrous effects too. It has been known to drive some people mad, I’m sure you're familiar with the name Bellatrix Lestrange, being Harry Potter's best friend?" Her eyes widened at his words. "Yes well, there is a rumour that she was bonded to a lovely muggle-born man in the year above her at school, however she chose to not complete her bond and.. Murdered him instead. As I said, all rumours, but it would make sense as to why she is the way that she is." 