A lot of in laws do different versions of it. E.g. talk about how bad some dil and son treat their in laws. Or talk about how someones's son left his wife because shewas not respectful to his parents. Watch ' Baghban' and recommend ...... The best way to deal with this is to completely ignore. Act like you did not notice/ realise what was the issue.That discourages such behaviour . If they ask directly...give a diplomatic answer .