How to add future mother-in-law WeChat verification?

How to write the future mother-in-law WeChat vibration? Hello, mother-in-law, I am your future daughter-in-law, and then your son and I are getting married. Gradually, my future mother-in-law will think that you are very polite and know how to restrain each other, so write hello, mother-in-law, I am your future daughter-in-law, and do so.