"A person's success in life can usually be measured by the number of uncomfortable conversations he or she is willing to have." - Tim Ferriss

But you don't have to constantly be battling your fears. Actually, Darren Hardy has said that you can be a coward 99.9305556% of the time (to be exact). You only need to be courageous for 20 seconds at a time.

Twenty seconds of fear is all you need. If you courageously confront fear for 20 seconds every single day, before you know it, you'll be in a different socio-economic and social situation.