Actually, your wife isn't far off. If you can get a small amount of the same color in a good hard enamel--doesn't HAVE to be Awlgrip--you can touch it up with just about any tiny brush and then either use wet sanding and final buffing to get it to blend in OR just use various grits of buffing compound to do it. This is how pros touch up little dings in paint on cars all the time.
If the paint is faded--that is oxidation on the paint. You can buff (or hire someone to buff) the entire boat and get it back to a dark blue. Even though its not the gel coat we're talking about, buffing can work wonders. Its the same techniques used for buffing car paint pretty much. Once you've gotten it back to dark blue by buffing, you can use a UV shielding product to help protect the paint (a clear coat) if you think it will be a long time before you're repainting. Nyalic
is one product that comes to mind that would work.