Generally, she is what I would call "neutral" on trains. She knows it's an important hobby for me and makes the occasional crack about "another package arriving." But all in fun.
I will say this...years ago I had mentioned the classic trains for Christmas of my youth and lo and behold she bought a Lionel Set that set me on the O gauge path. It was the Texas & Pacific Railsounds Passenger Set. Came with a CW-80 and track. I still have it.