It never feels good to hear friends making plans that you're not invited to, and it's hard to know what to do in that situation. Do you speak up and try and get yourself invited? Or do you slink back and pretend that you can't hear the conversation? This friend, “Jessica" chose the former and got herself a (reluctant) invitation to the trip by publicly shaming her mutual friend that was planning the trip. Information was shared regarding the cost and the itinerary of the trip “Things started to…