For Aries , Mars in 7th house will be good as ascendant lord is posited in 7th house and one marital life will be good provided one will avoid aggression and take collective decisions in marital life .
For Taurus , Mars in 7th house will again not be bad as Mars will be posited in own sign but again adjustments in marital life might be required such that un-necessary arguments do not break family happiness in family.
For Gemini ,Mars in 7th house will be bad for marital life as well as finances as Mars is 6th house lord being posited in 7th house .
For Cancer , Mars in 7th house will be exalted which will be good for marital life . One professional life will also be good and generally be good for overall development of the native.
For Leo , Mars in 7th house will again be good for marital life and domestic happiness will be there . There will be family travels as well and one will be nobel and charitable too as Mars is yogakaraka planet for Leo ascendant .
For Virgo , Mars in 7th house will be bad for marital life and there might be pressures in marital life and if Jupiter is weaker in chart , then chances of break up cannot be denied.
For Libra , Mars in 7th house will be good for marital life and one financial and family life will be good but there is need to avoid aggression and domination for better marital life.
For Scorpio , Mars in 7th house will be bad for marital life to some extent and there is need for adjustments in marital life as Mars mooltrikona sign lies in 6th house .
For Sagittarius , Mars in 7th house will be good for marital life , education , love life and one might go to foreign travels after marriage.
For Capricorn , Mars in 7th house will be debilitated and will be bad for domestic happiness , marital life as well as for financial life of the native.
For Aquarius, Mars in 7th house will be bad for the marital life of the native and there is need to give equal time to marital life from busy schedules of professional life . Further , there is need that due to lack of communication , problems do not come in marital life.
For Pisces , Mars in 7th house will be good for marital life and for financial life . One will go for family travels too . One education prospects will also be brighter too.