Young and new

Me and my husband he's 23 I'm 27 we have been together 3 years and we have always talked about swinging and we now feel like we are in a place where we can do it. But we have honestly no idea how to go about it. Like we don't know the proper etiquette we don't know where to look ... Like what are the rules .... Are there rules ... We really would love it if someone who is seasoned in the game could throw us some pointers , because I really want to dive in before we wait to long an get to scared to jump .... Please help thanks -kayyandoxx