Some coworkers of mine wanted to throw me a bach party before the wedding, inviting other coworkers. I had already planned on inviting the girls who are throwing the party as they are close friends. Am I now obligated to invite everyone they invite? I am pretty tempted to just tell them no party since I don't want to ruffle any feathers, but they seemed really excited about throwing me one. I am not partier, while they are, so they keep joking that this is their last chance to "corrupt me". It's all in good fun and I am sure the party would be a blast. I am just not sure what to do here.