First off, they're living in Christchurch, why can't her American civil engineer husband find a job in the earthquake ravaged city? It doesn't stack up. Same with her nursing qualifications which would be easily recognised. There is a ring of truth to some of it though, here it is...
“Hi there,
I have been following this thread for a few days whilst I was on Holiday at Lake Tekapo. I guess it is my turn to chime in.