Iraq War and Our Soldiers

I have a nephew that joing the army right out of high school 14 yrs ago. He serves as a medic. Since being in the army he has served in Panama, South Korea and is on his second tour in Afghanistan. When he comes back to the USA next February he will barely have time to unpack and will be sent to Iraq. My nephew, who wanted to serve 20 yrs, is considering getting out of the army. Anyone wonder why?