IRA's? and retirement homes?
kidding
seriously... he's married to a 28 yr old... if she knows/likes grunge music... he will at least know what it is...
I wouldn't worry about it but I would avoid conversations that include "Oh my G*d you remind me so much of my DAD!" or you drive the same car as my parents or... get it...?
relax... while it is often easier to interact with people closer to your own age... their own age gap will probably make it easier for them to interact with YOU.
Have fun...
