I think it is not about what you can do now, but what about when you are 30 years in this job (I assume you are less). I am also still relatively young and am

I think it is not about what you can do now, but what about when you are 30 years in this job (I assume you are less). I am also still relatively young and am probably doing OK if I look only at the present day (I am a developer). But what about in 10 years? In 20? When I think of it I get really really uneasy (although it is probably me as person this way - I guess I would be uneasy whatever role I had).