Broken Strings

Soulmates. Two people bound together at birth by a simple string. This string connects them on a deeper level, connecting their thoughts and feelings without them ever needing to open their mouth.
Soulmates know what the other is going through, and they can always tell when the other is in danger. But not every soulmate feels the same.
It is pretty common for only one soulmate to hold feelings for the other. In cases where they do not, and wish to be with someone else, they can cut their string. But only one of the two soulmates can cut their string.
When there is one sided love and a string is cut, the one who feels the love is put through two weeks of non stop pain, and the string, once bright red, has now turned gray and is barely longer than the tie around their pinky finger.
If two cut strings are tied together, the red color returns, but it is not as bright as before. If a cut string is retied, the knot molds back into a single string, but it frays, to signify a broken love once.
But what happens when both hold feelings for the other, but their string is cut?

Note: I do not own any of the characters nor artwork