Messenger of Allah! I have a fellow-wife; will it be wrong for me to boast of receiving from my husband what he does not give me? He replied: the one who boasts of receiving what he has not been given is like him who has put on two garments of falsehood.  

يَا رَسُولَ اللَّهِ إِنَّ لِي جَارَةً تَعْنِي ضَرَّةً هَلْ عَلَىَّ جُنَاحٌ إِنْ تَشَبَّعْتُ لَهَا بِمَا لَمْ يُعْطِ زَوْجِي قَالَ الْمُتَشَبِّعُ بِمَا لَمْ يُعْطَ كَلاَبِسِ ثَوْبَىْ زُورٍ