the most acute reason why your relationships are not working is because of your saturn aspecting your 10th house where Venus is present with rahu..
had saturn not aspecting your venus and rahu then I would have said that your relationship would have been passionate...but slow and steady saturn aspected your passionate rahu..and its a fact in vedic astrology..that when rahu is with some planet it enhances the tamsic effect of that planet but when with saturn it behaves as a servant to him hence...it means a double saturn is aspecting your venus..
Are you over perfectionist..unable to take decisions...??
remedies related to what..
career or relationships..??