my fav person is trans?

my date and i have been together since february and only right fucking now i discovered about her/his confusion about gender identity, and i just feel like a terrible person ‘cause i dont know how to help. i dont know what to do to make my person feel better. or if i should talk about it. i dont fucking know what to do to help, but god, my favorite person needs me and i’m a mess with that stuff.