I made a lot of recommendations.
Glock 17 or 19
Smith & Wesson M&P9
Springfield Armory XDM 9mm
After her careful consideration of my suggestions and her own research and handling, she decided on the FNX-9, one I hadn't even discussed with her.
She seemed to like single action & double action, but I also think she liked the idea of an extra safety.
So, now we have yet another incompatible magazine