Same thing in the UK during the years long wait for D-Day. Americans were very well paid relative to their UK peers and of course didn't have the existential a

Same thing in the UK during the years long wait for D-Day. Americans were very well paid relative to their UK peers and of course didn't have the existential angst of broken nation facing uncomfortable odds. American GI's would be jovial and upbeat while having definitely enough money to spend at the pub, which caused problems.