Sun in 7th is not considered good, Late marriage or a delay in marriage even after engagement, Spouse of a different nationality/religion, he/she will be Bossy & Manipulative, Breakup in marriage due to insatiable desires.

In direct contrast to Sun, Moon in 7th gives a very happy marriage, makes the person very Romantic, Wealthy, Good looking & Intelligent. He is so  full of committment that if at all there is a breakup it'll be the partner's fault.

Mercury in 7th gives mixed results, the spouse my be very youthful and smart, but he/she will be fickle, cunning and   manipulative. There'll be no fighting, but neither is there a strong bond. More than 1 marriage is likely.

Happy marriage with a wealthy and sophisticated spouse. The native will be magnetically appealling to members of the opposite sex, kind, gentle, artistic, forgiving; Will greatly benefit from his spouse's family. Afflicted Venus causes extramarital affairs.

Not indicative of a happy marriage, Early marriage is possible which results in fighting followed by a bitter divorce; Spouse should also have Mars in his/her 1st, 4th, 7th, 8th or 12th house to cancel out the bad effects - or else marital discord is inevitable.

Wonderful placement for Jupiter, He will be way more successful than his father, Will attain a high position at a very young age, Kind, Healthy, Very Good-looking; a Man will always have a chaste wife & successful children.

A Late marriage or marriage with a partner much older is likely. If Saturn is in Libra, Capricorn or Aquarius then the person will be long-lived with a prosperous and talented wife, but if Saturn is afflicted then he's a pervert.

Compulsive and insatiable desires that are difficult to control will lead to marital problems & ultimate breakup. Rahu in Gemini / Virgo gives the same problems in marriage, but makes the spouse powerful & wealthy.

Ketu in 7th. makes the person drawn to   unchaste women much below his own social status, A beneficial Ketu in Gemini /Virgo makes his/her spouse intelligent & spiritual, yet totally detached to all worldly pleasures.