The Doctor and River Song`s love story is the closest thing to a fairytale you`ll ever get in this universe.
I already said this before herebut I`m going to reiterate it again. Their love is responsible, trusting, understanding and patient. It is a love that made sense against all odds.
It`s in contrast to the highly unpredictable, spur of the moment, thrill-seeking, and very dependent “romantic” relationship he had with Rose and Clara. The Doctor and Professor River Song– both have their own identity as an individual, they both can exist separate from each other and yet know and fully understand the special love they have for each other.
There is no need for grand gestures of burning up the sun, or punching through a hardcore stone. There is no need because both can fight and survive as an individual. Yet, they know in the end there isalways a River to the Doctor and a Doctor to a River. Always there looking out for each other. Both having an independent existence that chooses to intersect with one another. And that is enough. That is the closest thing to a love story the Universe can craft between the Time Lord and the daughter of Time.