After having read your OP, I have noted that the keyword here is 'intimate'.
It is generally said that Scorpios can suffer from a tendencies to be intensity and possessiveness, but as you may be already aware that isn't the case with every Scorpio. However, what is common to not only just Scorpio, but all water signs is that they're very emotional. Particularly if the Moon is placed in any water signs. Pluto's conjunction to the Ascendant increases this intensity and supplements the sensitive characteristic you already have. The smooth trine to the Moon, would have been a blessing in disguise as it perhaps would have allowed a free flowing of emotional response, particularly in 8th house related matters. I.e. sex, intimacy etc.
But what really seems to be the problem for you is the exact conjunction of Moon in its domicile, and Mars in its detriment of Cancer. (Mars in Cancer brings a lot of energy with it which can be a great asset at the best of times, but the problem is unlike its placement in exalted Capricorn the rage/aggressive nature cannot be tamed as well in Cancer). So I guess you could say the Moon (our emotions), is in engaged in 'war' here. There appears to be a conflict between Mars' rage/aggression or just plain order Martian energy with Moon's exact conjunction at 9 degrees. As this conflict is occurring in the 8th house of sexual intimate matters, you experience difficulties in the way you express your emotional response sexually with members of the opposite sex. (N.B. I have used the 8th house instead of the 5th house, on the assumption that your OP was relating to something more concrete rather than just casual sex which would be a 5th house matter).
Oppositions to Uranus, Saturn and Neptune in your 3rd of Capricorn, may well be bringing about difficulties in being able to communicate and converting your emotions/feelings into something more intimately physical. (Remember that Saturn and Uranus are in 'mutual reception' so their placements are not as bad in terms of the way you communicate in a general sense). Its quite common to see the pair put together as they are generational planets and what I have noted is that when they are in conjunction with one another, and simultaneously oppose another planet they often creates a situation where a spell or illusion is conjured up (Neptune) typically to build up hope or unnecessary hype and suddenly a shocking unexpected outcome (Uranus). In which case if you apply this doctrine here, you may re-collate several if not a few experiences in intimate matters of this sort. E.g. you meet
her and all is well, a date follows, feelings grow and when you feel its right to make a move she shuns you out or suddenly you get a shock that you are no longer sexually attracted to her. This could be another issue contributing to your problem.
With Venus in Gemini I can out rightly say you are very flirtatious! Fear not you are not alone in this regard. This placement can bequeath its bearer something rather unique. You're not sexual, yet you know exactly which buttons to push when it comes down to flirting. In fact I would say they would make brilliant 'flirting' coaches. So on the bright side, do not let the aforementioned get the better of you. Since this is in your 7th house of long-term relationships, you could make this work quite well for you simply because you are able to lay and establish a strong solid foundation before being able to escalate things to a sexual level. Most people that I know have the issue the other way round. They know how to be sexual but forget that they need to know how and which buttons to push. You have one up on such folk so enjoy this gift! God gave it to you for a just reason. A charming personality coupled with a good wit can be the ultimate weapon for attracting members of the opposite sex. Use it wisely.
Mars inconjunct Venus (beauty/matters of love) and to Saturn (ambitions/aspirations/delays/restrictions) makes you fight for matters of love and the latter gives you ambition for such a thing to go after. Saturn also delays and restricts. But sometimes this can be for the better especially if you are looking for something more committed. So this isn't such a bad aspect after all. Don't give up hope and keep fighting one day you will win, because Saturn is watching you closely. In fact I'd like to go a step further and say that there appears to be a bright prospect coming when your progressed Sun will conjunct your radical Venus in the 7th. You can bare this in mind and use it as an excuse to keep fighting the fight until you emerge victorious.
The final point I'd like to raise is Mars trine Ascendant. You may have a habit of trying to consistently remind yourself that you must keep your cool all the time and yet struggle. This trine perhaps doesn't allow you to be mindful of keeping your cool, as you could well be scaring them off. They may feel that you could be coming onto to them a little to strong/aggressive. Try and work as best as you can to curb this issue. Perhaps one way I recommend as to how to 'tame the tiger', is to consult a dating coach or even take a course in pick up artistry you may learn a good few tips on how and when to escalate, so as to ensure she does not get frightened off.
Hope this helps and best of luck.
