Foley has slotted 15 from 15 in the two Tests since the second Bledisloe, a performance skills coach Mick Byrne simply categorised as an off night.
"I think it's faith, especially when you have a hiccup," Byrne said.
"It's like in any sport - golfers are a classic one.
"We look at (Marc) Leishman, he's just won the (BMW) tournament but you go back to a tournament he had before, he wasn't hitting the ball really well there.
"You just have those moments at the top end of games.
