The Marine Corps policy regarding fraternization is the product of naval service customs.
The Marine Corps specifically and military society, in general, has historically imposed social constraints on personal relationships between individuals of different rank, grade, or position.
As the significant other, you will not get more details than necessary on anything unless you poke and prod. Related: The unconventional relationship is the norm in the military. However, in the civilian world, or in a relationship, it may be a little hard to deal with. Especially if he is coming from a higher rank, it may be increasingly difficult for him to “fall in line” with civilian life. Not every soldier comes home with post-traumatic stress.
It is a lot of work to break down those barriers and gain enough trust for him open up and be vulnerable. You need to understand this and realize how difficult it is. However, for those who do, there is nothing wrong with that.
Dealing with deployments, training exercises and other service related duties are all situations that you will find yourself in during the relationship.