Things that become more valuable over time and things that become less valuable over time:

As time goes on, what becomes more valuable? My energy levels, health, physiological strength, mental focus, mind space, time with my son, etc.

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What becomes less valuable? Money, the desire for things, etc.

Investing?

To invest means to hope that what you buy will increase in value over time— perhaps investing in cryptocurrency. Everything else perhaps will go down over time (fiat currency, the value of cars, electronics, phones, laptops, cameras, etc).