I have a crush on someone

Yes, you can become a good match. You know the other’s mind very well. And you support each other voluntarily so that you can maintain the relationship for quite a time.

You are Metal Dragon and he is Earth Dragon. Two Dragons usually don't work well together unless the Elements are compatible. If the Earth Dragon was female, yes, the relationship could work with a little bit of work. Unfortunately, the Earth Dragon, in this case, is male, and the Metal Dragon is the female. This leads to some conflict in the long run.