Maybe challenge them instead. Here's a scenario. You go to the store and find that one day the price of everything is 10x. You look at the cash in your wallet, sad that it now buys 1/10th of what it did before. What would you do?

The point is to get them to acknowledge this problem which they may have only gotten hints of by now to see how realistic a scenario it seems. If they think it'll be a problem then you can sell, not give, some Bitcoin to them.