Not sure you are getting old, because as many of us get older we tend to have a distaste for the little idiosyncrasies that we once thought were fine in a fox. Loud exhausts become too loud, poor ride becomes too noticeable, trailer hitching becomes embarassing, driving in the rain or god forbid the snow feels life threating, and ineffective Air condition just plain old sucks.
These are the things that young guys don't mind and are also the things that make old guys stop driving their cars, turns drivers into collectors and i'm surely no collector.
I did my conversion because i was in love with how the terminator felt, but didn't really want a new edge.
About the only thing i miss about my pushrod engine, is the idle with a cam. I just don't think a lumpy idle is worth a couple of grand or i would do the cams.
I'm not defending conversions, not everyone needs to like them, nor do i think they are for everyone, just saying you may not be getting old (mentally).