"Two-foot-itis" is an affliction most common to boat owners - they always want a boat that is two feet longer. Many RV'ers are prone to it as well, although I seem to get a variant called "four-foot-itis" having gone from a 13
Boler to a 17
Boler to a 21
Bigfoot.
There is no cure, nor is any treatment effective at relieving symptoms