Your brother-in-law can call you "sister-in-law"(if you are a woman) or "brother-in-law"(if you are a man). This was how he addressed her in front of outsiders. At home, a brother-in-law could call you "brother,""younger brother,""older sister," or "younger sister" according to their relationship. The parents of the brother-in-law could be called "in-law" or "in-law". They could also be called "biological" uncle,"biological father" or "biological mother". Brother-in-law's sister could be called "in-law sister,""in-law sister," or "big sister" or "second sister" according to brother-in-law's address. If the search results don't provide an answer, then I don't know how to address your brother-in-law.
If your brother-in-law is a man, he should call you brother-in-law; if your brother-in-law is a woman, he should call you sister-in-law. However, under normal circumstances, he would directly call you by your name and not call you brother-in-law or sister-in-law.
Regarding the question of " What does my brother-in-law call me?", the answer could be as follows: Depending on the situation and the way of verbal communication, you could call your brother-in-law " brother-in-law " or use his name directly. In written or formal situations, you can call him " uncle " or " brother-in-law ". In addition, you can also call each other brother-in-law. Therefore, you can choose the appropriate way to address him according to the specific situation and relationship.
We can come to the following conclusion: When your husband's brother-in-law confesses to you, you need to seriously consider your own feelings and the situation of your family. First of all, you should ask yourself if you have feelings for your husband and if you want to spend the rest of your life with him. If you love your husband and want to continue your marriage with him, then you should honestly tell your brother-in-law that you have established a deep relationship with your husband and cannot respond to his feelings. However, if you lose your feelings for your husband, you need to seriously consider your decision and choose a path that is suitable for you and your family. The most important thing is to have an honest conversation with your husband, tell him your thoughts, let him understand the situation, and decide the future direction together. In short, dealing with this situation required careful consideration and making a decision based on individual circumstances.
There were several answers to how to write "my brother-in-law":
1. If you are filling in official documents, such as visa applications or proof of marriage status, you can fill in "brother-in-law" as your relative relationship, and your sister as your "sister".
2. If it was a normal form or survey, there would usually be a column for you to fill in your relationship with this person. You could fill in "brother-in-law" in this column.
3. If it's a kinship title, you can call your brother-in-law 'brother-in-law'.
In summary, based on the information provided, one could write " my brother-in-law " as " brother-in-law " or fill in " brother-in-law " in the relevant form.