Mars in Seventh House
Mars in 7th house suggests that the sense of having a partner gives you a lot of energy and drive. You seek an active partner, someone who can stand shoulder-to-shoulder with you. This energy in the relationship needs constructive outlets. Since you like to do things your way, lack of cooperation could be a problem with partner, in marriage or business. You like the idea of completion in all areas, specially marriage. You need a partner who can challenge you.
Your partner is likely to be active, courageous, optimistic, and strong with an ironclad will power. However, he or she may also be dominating, demanding, impatient and aggressive in nature, which could be problematic especially if Mars is in a bad position. Nevertheless, Mars here also suggests that your relationship would be full of passion and devotion. Such natives tend to get married at an early age. Love at first sight is quite a common phenomenon among natives having Mars in 7th house.