He is still coming down off his "spiritual high." Or he could be struggling, but putting up a good front so as not to "discourage" the friends.
I was in the same place when I was "Sent Out to the Field". Reality hits hard once you have to start paying bills to eat and have a roof over your head. Then you realize the mistake you made in quitting College to go to Bethel and work for free. It leaves a huge hole in your resume/ C.V.
Hopefully he learned some actual skills while there! Most don't, as newboys are assigned menial labor, even if they have degrees or skills.