Mars position in seventh house make person and spouse both aggressive and bad health of spouse, separation from spouse due to death or other bad reasons. If 6th , 8th or 12th lord Mars in 7th house , Bad heath of spouse. 7th aspect on 1st house of Mars, person may have aggressive nature and sexual tendencies, extra demand of sex pleasures can make extra marital relations and thus the marriage life may destroy. 8th aspect of Mars on 2nd house also not good for family growth. May have late marriage or do not have marriage.