Next time just thank him for reaffirming the stereotype, or tell the delicate little flower that, you know it isn't his fault he gets offended so easily, unlike his parents, yours raised you tolive in the real world.
When Howe and Strauss coined the term Millennial in 1991, the generation's oldest members were just 8yrs old at the time, and they could already tell this gen was going to be a bunch of whinny little biatches due to how they were being raised with so much more structure and protection then any generation that preceded them.