i think you should motivate her just like everyone else, tell basic good things about bitcoin, don't tell any bad things about bitcoin, and i am sure that she will like it
Of course you should motivate your girl so that she can helps you with your some problem in posting if you are going to to show her how it will work then probably theres a chance that she is going to help you, tell the basic is good things to do and never tell the bad side of bitcoin where they can do gambling activities