My boyfriend had a dream about me, what does this dream mean?

My boyfriend is going to train in the military soon, but today he told me he had a weird dream about me. He said I had a white flower [kind of looked like daisies but it was all white] on my hair [I had my hair up in a bun] and I was wearing a long white dress that had trailed behind me. He said it looked like there was a war going on and everyone was calling to retreat but he saw me and I was on top of a hill, overlooking at him...What does this dream mean? Because he said it looked like I was the sunshine glowing over the battlefield.