Authors:

In ten minutes they will have arrived on campus. George will have to be George; the George they have named and will recognise. So now he consciously applies himself to thinking their thoughts, getting into their mood. With the skill of a veteran, he rapidly puts on the psychological makeup for this role he must play.

Christopher Isherwood, Don Bachardy, James P. White (1989). “Where Joy Resides: An Isherwood Reader”, Vintage
In ten minutes they will have arrived on campus. George will have to be George; the George they have named and will recognise. So now he consciously applies himself to thinking their thoughts, getting into their mood.