A lot of things will run through your mind. Who am I going to hire next ? Why is she saying this out of a sudden ? Has she seen a better offer else where ? Is she going to get married ? Is she tired of working at your place ? Did you not treat her properly ? Is she expecting a higher pay ?
A person who looked like a life saver all these while and all these days , will suddenly turned out to be a most hated person or someone whom you no longer trust anymore. When such situation arises , it make us realise , no matter how nicely we treat them or we treat them like one of our family members , when they want to leave , they will just leave without any thought for us. We get very disturbed and we feel betrayed. But when we think that she also have a home , a family and she might want to go back to them. Sometimes she could be really missing her homeland.
Some Employers are very sensitive to this statement "Sir/Mam, I want to go back " . Once such words come out from thier FDW's mouth , they will not keep her in their place another minute. They lose trust in her and will feel that she is no longer safe to be staying with them anymore.
We have heard in some houses , where FDW last for 10 yrs in 1 one house. Why that does not happen to you ? Why aren't we getting a FDW some sort like them ? Seriously, getting a good and reliable FDW is just luck . Like striking a lottery.
When you come across such situation (which we hope not so soon but one day everyone have to face this issue ) ,firstly stay calm. Ask your FDW for explanation. Ask her what made her come to a decision like this ? Ask if she needs to go back immediately or she can wait for another week or 2, till your new FDW joins you to take over the work. You have to make sure you should be able to handle the house by yourself without the FDW, if you want to send her back asap. You could talk to her and also ask her for a help to train the new girl before she leaves.
Training a new helper is the next hardest part. Some Employers who have been too dependent on their helper will feel very messy for the next few weeks. These Employer might not even know where their previous helper kept the salt bottle, coffee bottle , detergent and not even know from where they have to begin the work.
Therefore when your FDW comes to you and say " Mam , I want to go back" ... Stay calm and cool :)