First thing first, 20 years is a long time.
You’ll see lots of ups & downs.
You’ll see economies booming, prosperity, abundance, better & comfortable lifestyles, etc, etc.
You’ll also get recessions, inflation, companies & countries going bankrupt, wars, epidemic, natural calamities, etc, etc.
Make sure you go thru these ups & downs without much volatility in your emotions.
Make sure you stay the course & focused.
Keep the hunger in you alive.
Don’t burn out. Rest wherever appropriate & get back in the game. Keep going with patience.
20 years is a long time. Make sure you enjoy the journey thru out these 20 years.