In any synastry chart, the placement of the ascendent and descendent with respect to the others charts is very important. The ascendent is how we project ourselves into the world, and the descendent is what we are looking for in our partner. In your case, without a birth time for him, we are working at a large disadvantage, a big chunk of info is missing, to evaluate how the two of you attract and fit into each others puzzle of life.
Keeping this limitation in mind, working with only your known birth time, what pops out immediately is the massing of his planets on your ascendent.
This is a powerful attraction. He has Saturn/sun/mercury/Uranus in your first house (with sun and Saturn exactly on your ascendent cusp), all resonating with you on a very personal level. Very hard to resist such a powerful pull, it's a reflection of each of you in the other. In addition your mars is exactly there, and sun/mars is a magnetic attraction, physical as well as personal. The mars/saturn conjunction are two energies that don't easy blend so they create tension, and here it would be important to know exactly what that Saturn of his represents in his chart. In general terms, we can also see the importance of the mercury in your 7th that opposes your mars. His sun opposing your mercury shows you pushing your ideas on him, while you two tend to have different view points on things. In your case, with your aggressive (dare we say argumentative?) mars/mercury opposition, you will tend to rattle him not a little, and he will tend to protect himself by suppressing your expression.
Your Venus/saturn conjunction touches his moon, so while on the one hand it is very comfortable being in each other's company, at the same time your Saturn gives him a sense of not-relating on an emotional level, and you being cold towards him. His Pluto is opposing your Venus, very sexy, but over time becomes very controlling. Your Venus on his North node does indicate a love theme in your relationship, and is a very positive contact to have.
His Venus in scorpio, which is a very powerful sign for love and affection, is in your 12th house, so he has difficulty expressing his affection for you, and his Venus is not linking up with any of your planets, reinforcing this detachment. Your cancer moon makes a very wide trine to his Venus, and coming from your 8th would tend to stimulate a very strong sexual undercurrent when it is activated.
Your two Jupiter positions don't relate very much, to alleviate some of the heavier energies, that would serve to save the situation when you have conflicts in the air. Which inevitably come up, in the most positive of relationships. In addition, Jupiter is your ascendent ruler, so it would have been nice to see it touching him in some way.
Finally, his Neptune opposing your moon indicates you have some strong illusions about him, that while they last are romantic, but with time they will disappear and you will find yourself with a handful of disappointment.
To confirm all of this, your composite chart has a Venus/saturn conjunction square mars/uranus conjunct, and a sun/neptune square.
Enjoy this one as long as it lasts, but don't order any wedding invitations for the moment.