Dad, I think Spencer has more whiskers vs Max.

And Auntycat only has 6 whiskers, but that doesn't make her less intelligent.

Excerpt about catnip from Australian Pharmacist Vol 23 No 9 pg 624, by Dr Bob Longmore: " ...About two- thirds of cats display feline catnip ( nepeta cataria ) euphoria, an inherited trait requiring the presence of a specific gene!...."and "...a potential ability to excite cats and other Felidae such as lions and jaguars ( but not tigers, however )....".