Manglik Dosh results may very depend on other beneficial and malefic planets situated in horoscope. It means if planet Mars is in the conjunction or looked by any beneficial planets like Jupiter, Venus or Moon can minimise bad effects of Manglik Dosh and if planet Mars is in conjunction with malefic planets or looked by malefic can increase problems related marriage and relationship.
No peace in relation with spouse or separation from spouse due to any reason or death of spouse act. It all depends on the position of Mars in particular house and sign. If functional beneficial Mars is placed in these houses but in a friendly sign, own sign or exaltation sign, without any malefic aspects on it, will not produce bad results in marriage life. You can read all possible results of Manglik Dosh according to Mars placement in different houses.
4th aspect of Mars on 4th house, can destroy domestic Pease in a marriage as 4th house is Shukh Sthan , benefits of marriage. 4th house always should be uninflected for a happy marriage life. Inflected 4th house in a horoscope can cause divorce in Marriage.
• 7th aspect on seventh house can destroy the marriage as it can make spouse with aggressive natured which is not good for communication between each other. A malefic Mars inspecting 7th house is also danger from fire and weapons to spouse.
• 8th aspect on 8th house, the longevity of spouse. This condition is dangerous for age of spouse as Malefic Mars aspect on 8th house can cause the death of spouse in an accident. Thus a Malefic Mars position in first house can destroy the marriage.