Best investment advice for the coming years in the Netherlands?

Context: I'm fairly young with a stable income and I have a small investment account in Netherlands ( I'm leaning most on this, since the real estate market seems quite open. Withdraw everything in stocks and buy physical investments (gold/gemstones/...) => I currently hold gold ETC, not physical. Withdraw everything and keep in savings => I laughed at myself when I typed this option as well Keep 50% in stocks and keep 50% out to invest in 1,2 and 3 => And mentally and financially prepare for th