Which one did you go to? Theres a lot of different people offering 10 day courses, and most I've heard of don't force the religious aspect on you. You can go

Which one did you go to? Theres a lot of different people offering 10 day courses, and most I've heard of don't force the religious aspect on you. You can go and not give a damn about it, and just do the mindfulness part, which is pretty intense in itself. (IF you are doing a vipasna course) 10 days of not speaking to anyone else, (really, even avoiding eye contact) - its rough on a lot of people.