Significance of Soldier Presenting His Dog Tags to a Girl?

I have been dating this guy for a little bit. We had dated previously back in high school but we broken up after alittle bit and we went our different ways. Well, we ran back into eachother after about four years when I was going through my seperation and divorce. And he is amazing with my little boy, acts just... show more I have been dating this guy for a little bit. We had dated previously back in high school but we broken up after alittle bit and we went our different ways. Well, we ran back into eachother after about four years when I was going through my seperation and divorce. And he is amazing with my little boy, acts just like if he was the father. He told me that he had never stopped thinking about me and presented me with dog tags. When I tried to give them back he told me to "hold onto them" for him. I do not know if this means something in the military when a soldier gives their tags to someone. He will be leaving for Iraq in a few months.
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