I know not every sexual encounter is rape.
But a non-consensual sexual encounter is rape.
Please don't start claiming that people who have been raped never experience any doubt, and never attempt to normalise what's happened to them - they do. It is common. It is a very understandable response to something horrible. You tell yourself, no, I didn't want it, and he kept pestering me for it, but somehow that's different from when other women are coerced into sex. They might be raped, but not me, clearly ... because that would mean admitting it to myself, and I'm not ready to do that.
That's how people's minds work. Very, very few women are coerced into sex, when they don't want it, by their partners, and immediately feel able to say 'yes, that was rape, obviously'.