this is excellent because it isn’t confrontational at all but is too put it in the wise words of the ancient warrior poet mr rogers “an expression of care” it is a masterclass in succinct emotional intelligence both in standing up for the boyfriend to the “in-law” and also showing the “in-law” that she really loves their child it isn’t passive aggressive because the mother initiated a negative criticism seeking approval to validate her beliefs and it was simply countered with fact that obviously resulted in 1000s of likes and reactions and affect you   thanks for sharing