Even if we die at 100 we're still dying young. I want at least 700 years. There's a lot of travelling and books to read and movies to see. I'm not going to squeeze it all in in 85 years.
Justifying conscription to promote the cause of liberty is one of the most bizarre notions ever conceived by man! Forced servitude with the risk of death and serious injury as a price to live free makes no sense.