Her south moon node on the cusp of your 11th friendship house is what your instincts are picking up on. Also, the pluto on your 7th cusp and Uranus shows she will try to dominate the relationship and transform it.
Your natal Venus/moon conjunction opposite your Neptune says you are a dreamy, romantic type but not always with your feet planted squarely on the ground. Your mercury trine her moon/mercury conjunction makes combinations between the two of you very easy, you understand each other very well, even instinctively, and that's a perfect basis for a friendship.
Her Saturn square your mercury will criticise you sometimes, and it is opposite your Saturn/mars so some heated discussions can come up.
But friendships sometimes do challenge us, don't they?