After 29 fire seasons i have seen relationships with people in the same dept but at differrent stations and all in all they have not worked out, follow 1 simple rule and you will be ok DONT DIP YOUR PEN IN THE COMPANY INK.
Nothing good would come from this relationship. In my dept. it is agianst the rules, period. Both would get transferred and the officer would be demoted with days off. You are a supervisor and should act like one. There is an old saying,"don't eat where you sh--"