"The devil knows the way to take one down is not through a deficient spouse but through a deficient self. 'Sometimes when we seek the gaze of another, it’s not our partner we are turning away from, but the person we have become,' Patel writes. 'We are not looking for another love so much as another version of ourselves.'".....
https://www.russellmoore.com/2017/09/14/will-happy-marriage-prevent-affair/
