Hi Nicky,
Achieving love of God is a process that takes a lifetime… or in fact, a few. It’s because according to the philosophy of bhaki yoga, the soul never dies, and we have changed many bodies since a long time. We are very much conditioned to thinking about ourselves and our own welfare, and not so much concerned about others, let alone God. So developing love for God is not piece of cake. But with the practice of Bhakti yoga, it can be done. As far as I am concerned, with practice, I have moved a lot closer.. and it can work for anyone. It depends on the intensity of your own spiritual practice how much progress you make. 
Hope this answers something!