Low time preference is about patience.

Take your time. Let her figure it out for herself, but make sure she gets some helpful hints from you from time to time.

Don't act like you know it all. Learn together.

Take a look at the average historical value of a house in your suburb and compare that investment to what would have happened in bitcoin.

Take a look at interest rates for savings accounts at your favourite bank, do some calculations moving forward and backwards.

Start her off with a small stash, and do it all together so she can understand it slowly. My wife can listen for about five minutes a day, and after that it is too much.

Get her on nostr and follow a few of the inspiring ladies we have in our company. She'll end up seeing bitcoin posts occasionally.

Gradual exposure. It will eventually sink in, and one day it will click.