Telling her its not possible all, depends on how comfortable your sofa is to sleep on.
2 F connectors and a f to f connector along with the cable is all you need. Or you could as a good hardware store to crimp on the F connectors for you and just buy the connector.
Don't forget to mansplain everything to the wife regarding the volume of work by working out the ratio and physics needed to do the job. Let her know she's lucky as Virgin would have charged around £25k to do the job 😉
Who knows, you're either in for a night of passion, or a night on the sofa.
Feel free to click on the thumbs up thingy and kudos thing. It really helps me to feel important and boosts my ego.
Seriously though, I'm happy to help.