7^th house indicates physical appearance of spouse and 8^th house indicate hidden behavior  of spouse.  Moon aspected by benefics indicate natural and normal one, Rahu and Mars in 8^th indicate bit aggressive behavior, Jupiter and Venous indicate soft behavior and where as Satrun indicates slower one.  Apart from planets , tatva matters a lot here, Agni Tatva indicates aggressive nature, Jal Tatva indicate soumya or soft nature , Aakash and Vaayu Tatva indicate normal nature or behavior.  This part is well dealed in female horoscope apart from considering Mangalya bhagya along with Trimamsha chart.