I'm 33 years old, have another friend who's the same age that has a 71 Demon, and other friends with 66 and 68 Chevelles, and a 71 Corvette, 72 Skylark, and a 68 Firebird and to be honest we all worked really hard on them, I don't think they're going anywhere. Like you said, its a totally different feeling than a new car, its also a good conversation piece.
I'm hoping it's not because you don't like some of the work done by others - I know that car spent a lot of time away from you getting worked on by others who took a huge amount of time, and also maybe didn't do the absolute best possible work because of the issues you've had (okay maybe that part is just my opinion). My car's build has a lot of common features with yours, just a lot of stuff done in a slightly different way. I know every nut and bolt on mine, and maybe you don't feel that way.