Your 7th house indicative of a successful marriage is the least powerful in your horoscope and this could be the reason for the inordinate delay in your marriage. Naturally even if you get a partner, she will not be very appealing to you. The next possible time for a marriage is there during the end of 2018 or early 2019. Nor your children’s house the 5th house is strong enough to have a progeny. You can read my blog navagrahastro.blogspot.in for a better insight into astrology.
I am sorry that I do not want to be dishonest by giving you a rosy picture in answer to your question.