Nope. You either have the trust or you do not. It may wax and wane......but you have it.
Looks at Peters vacillating and denials. Yet.....he never "changed gods". Same goes for Abraham.
Jhn 6:68
But Simon Peter answered Him, “Lord, to whom shall we go? You have the words of eternal life."
Pretty much sums up the state of mind of the redeemed.