So far I have not heard it. your case is very unique and sounds weird.
why do you lock your assets, everyone wants to enjoy their success.
the best way is to buy real assets, such as land and houses.
I don't think you can give your opinion what should he does with his money, he is just simply want to LOCK his money from anything for some years later. He doesn't want to invest a million dollars of his money.
Lock for 5 years etc?
What will you do after it passed 5 years?