Contradiction with 1 Corinthians 7:1
This verse suggests that it is good for a man not to touch a woman, which contrasts with the rejoicing in one’s wife described in Proverbs 5:18.
1 Corinthians 7:1: Now concerning the things whereof ye wrote unto me: [It is] good for a man not to touch a woman.
Contradiction with Matthew 19:12
This verse praises those who have made themselves eunuchs for the kingdom of heaven’s sake, which contradicts the encouragement to rejoice in one’s spouse in Proverbs 5:18.
Matthew 19:12: For there are some eunuchs, which were so born from [their] mother's womb: and there are some eunuchs, which were made eunuchs of men: and there be eunuchs, which have made themselves eunuchs for the kingdom of heaven's sake. He that is able to receive [it], let him receive [it].
Contradiction with 1 Corinthians 7:29
This verse advises that husbands should be as though they have no wives, contrasting with the instruction to rejoice with one’s wife in Proverbs 5:18.
1 Corinthians 7:29: But this I say, brethren, the time [is] short: it remaineth, that both they that have wives be as though they had none;
Contradiction with Luke 14:26
This verse indicates that one must hate father and mother, wife and children, to be a disciple, which contradicts the idea of rejoicing with one's wife in Proverbs 5:18.
Luke 14:26: If any [man] come to me, and hate not his father, and mother, and wife, and children, and brethren, and sisters, yea, and his own life also, he cannot be my disciple.