It doesn't look like he wants to be saved. He's probably finds it strange and annoying why you you care so much if he buys bitcoin or not. Don't worry, when he needs it, bitcoin will be ther for him too, "at the price he deserves"
In the meantime, you can tell him to #HFSP or, to be more polite, quote Satoshi:
"If you don’t believe it or don’t get it, I don’t have the time to try to convince you, sorry."