Prelude to MIL's call

Got to found out the secret recipe over the weekend. According to my MIL, if you share some of the confinement food of a mother that just gave birth, vinegar pig trotters specifically, then you will have high chance of getting pregnant. She told me that there was this relative who tried to conceive for many years, but did not succeed, but once she tried this method, she got pregnant. That's why she asked me if I wanted to try. Hmmm, what a myth!