choking in sex wtf

How do you ask a guy during in sex not to choke you without turning him off or killing any moods. Like sometimes guys just go right for it and im like wtf this is not a turn on at all pls stop ahah. So plss either give me advice on what to say like “id prefer you do this” or something idk and if not tell me like whypeople like it so maybe I can enjoy it idk lmao.thnks ladies