In a person who is open to experience each stimulus is freely relayed through the nervous system, without being distorted by any process of defensiveness.
As for butterflies, I can hardly conceive of one's attending upon you; but to question the congruence of the complement is vain, if it exists.
Integrity is congruence between what you know, what you profess, and what you do.
Trust is congruence between what you say and what you do.