Ideas for a farewell for my fience.?

My fience and I have been together for 16 months. I'm 19 hes 25 I never thought that I would get in to college now I have across the country so we have decided to go or seperate ways and if we cross pathes again its all good and well i need a idea of somthing to go for him I thought about a nice a dinner and farewell poem but i dunno any suggestions.