How to deal with paranoia about fuel leaks

I have a Holley 1920 on my 66 Dart /6 that I rebuilt two years ago when I bought the car. I check the float bowl screws periodically to make sure they are tight and so far no problems. It only takes me a few seconds to check all the carb screws and mounting bolts to make sure they are not loosening up and creating either fuel or vacuum leaks.

Paul