Beware of uncharacteristic and unnecessary self-doubt because it happens when one starts to argue with itself. What is so wrong with the choice you previously made? As those may not have been deliberately hidden but attention may have been drawn away by more obvious items and issues. Every one is quite capable of courageously championing new and exciting causes, in ways that are all but impossible to ignore. It's just that one may tend to think long and hard before nailing  colours to the mast. 
You have now thought long and hard it now becomes appropriate for you to see your journey through life in a different light. Where before you may have been restricted to a walking pace, it is becoming possible to saddle up a steed and gallop towards success.

 You may be able to cover a mile in four minutes but how long are you then going to spend panting and getting your breath back? Wouldn't it make more sense, just to walk at a healthy pace and then be able to function when you finally got to your destination?
 Beware the hidden cost of heroism.Heraclitus who once said, 'Our envy always last longer than the happiness of those we envy.' A century or so later, another Greek took this point further and made a distinction between jealousy and envy. Aristotle argued that jealousy may at least inspire some people to better their lot, whereas envy just inclines folk to scupper other people's plans.