The “Sinsod” also must be returned to the man if the betrothal was breach on the ground that the woman has committed misconduct and made it unsuitable for him to marry her.
There are 2 cases that the woman must return Sinsod to the man
There is an essential event which makes the marriage unsuitable for the man or makes the man unable to marry the woman.
For example, after a man gives Sinsod to a part of a woman, such woman has made love with another man. In this case, a man can ask for a return of Sinsod.