Unbeknown Infidelity

The character is not aware of committing infidelity, since they think they are engaged in a sexual act with a legitimate partner.

It does not matter if the unfaithfulness happened by chance or by deceptive intention at the hand of the other participant.

If there are multiple counts of infidelity committed in the game by the character, with a mixture of known and unbeknown acts, apply both this trait and Infidelity.