You want to marry someone that doesn’t even want to be with you? Why would you want that?
What I hear is that you are addicted to the memory of the “us” that happened two years ago. It was so brilliant and amazing that you keep thinking you want it back. Its gone, dead, a memory. He doesn’t want it back, and without him, there is no “us”… just a memory or fantasy. Its up to you to let the dead sleep.
Then, as you realize that the beauty of “us” arises when two people are giving attention to each other, you can look for a new relationship with the knowledge of how amazing it can be…