And other than a subtle white lie here and there, he is completely genuine to them.
The first cousin of the white lie is the idle boast-not quite so harmless, but not nefarious, either.
British Dictionary definitions for white lie
white lie
noun
1.
a minor or unimportant lie, esp one uttered in the interests of tact or politeness
Idioms and Phrases with white lie
white lie
An untruth told to spare feelings or from politeness, as in She asked if I liked her dress, and of course I told a white lie. This term uses white in the sense of “harmless.” [ First half of 1700s ]