Polyurethane changed my world! *Pictures*

We have the most beautiful hardwood floors in our 1910 house, I mean beautiful. The only problem? There are quiet a few splintered parts, and we couldn't figure out how to seal them without completely destroying the charm of the aged wood. Everywhere we turned, everyone was telling us we needed to sand and re-stain the floors. We really didn't have a problem with all the work, but we just didn't