Sex can mean lots of different things. People who mention ‘having sex’ are often talking about having sexual intercourse, but not always.
Having sex isn’t the only way people are intimate or sexual with each other. There are lots of things that someone might find intimate, like hugging, kissing or watching something sexual with someone else.
It’s always important to talk about what you and someone else is comfortable with before deciding whether to keep going. Nobody has the right to pressure you or make you feel like you have to do something.