What Kind of Advice Would You Give to Your 20 Year Old?

As a 20 year old I worked day and night and it was just software. Now you work so much on health and think so much about these things. Well I don't need to have a legacy. If people forget there was a thing called polio that's a great legacy. The consumption in Victorian novels they'll say oh this person got consumption and that's actually tuberculosis. But the people who helped invent drugs made sure that at least in the rich countries that's no longer a problem. So I hope infectious disease burdens are down so dramatically that as a source of inequity that's largely solved by the time all the money gets spent. We're looking and spending all over 25 years periods so