Intimacy means not only physical but also emotional attachment. Take time to tell your partner about your mental and physical needs. Discuss what you can do together to meet them. Also divide up the chores around the house. Taking on household chores equally equates to greater intimacy. Then your relationship will last a very long time.
You create the bond that will nourish your passion. And then sex is no longer just sex, but something much more. She will be encouraged by the fact that so much respect is being shown to her, and her desire will only grow stronger. Read the profile literature or the men's publishers: https://blog.uberhorny.com/everything-you-need-to-know-about-the-g-spot/ Do you even know where it is?