A romantic attraction to someone outside the marriage could be an indication that a husband and a wife are not attentive to each other’s needs.
لَا يَقْتَصِرُ صَوْنُ قَلْبِنَا عَلَى تَجَنُّبِ ٱلْأَوْضَاعِ ٱلْمَحْفُوفَةِ بِٱلْمَخَاطِرِ .‏