It is nice to send letters to your friend.
Travis is at home missing his friend who is deployed overseas.
Travis wants miss his friend less.
Travis decides to start writing his friend every week to keep him updated on everything going on at home.
Travis decides to go out with other friends to distract himself from his friend who is overseas.
Travis's friend looks forward to the letters every week, and they help him get through his deployment.
Since Travis doesn't catch up with his friend, his friend feels lonely overseas.