Contradiction with Proverbs 27:5
Open rebuke is better than secret love, whereas Song of Solomon 8:5 portrays love as something significant and celebrated in its intimate and secretive nature.
Proverbs 27:5: Open rebuke [is] better than secret love.
Contradiction with Matthew 5:44
Instructs to love enemies, contrasting the context of mutual love and rejoicing found in Song of Solomon 8:5.
Matthew 5:44: But I say unto you, Love your enemies, bless them that curse you, do good to them that hate you, and pray for them which despitefully use you, and persecute you;
Contradiction with 1 Corinthians 13:4
Describes love as patient and kind, contrasting the passionate and urgent nature of the love depicted in Song of Solomon 8:5.
1 Corinthians 13:4: Charity suffereth long, [and] is kind; charity envieth not; charity vaunteth not itself, is not puffed up, [vaunteth...: or, is not rash]