-Your metabolism is going to slow down, so stop eating so much -Don't smoke, it negatively affects your desire to workout (you will get fat) -Don't waste (too m

-Your metabolism is going to slow down, so stop eating so much -Don't smoke, it negatively affects your desire to workout (you will get fat) -Don't waste (too much) time at the bar -You're going to drift apart from your friends -Cultivate experiences that you can talk about (ie. not chess) -Understand cities, live somewhere walkable -Understand money. (ie. Tax on labor vs tax on capital gains.)