You can date someone and not have sex with them

Yes you don't have to have sex with everyone you ever date, not sure the writers of this movie know that. In fact probably best you don't have sex with everyone you go out on a date with, you don't even have to have sex on the third date.

Your call when you have sex, don't let anyone pressure you into sex.

But don't let anyone tell you that you have to wait for a wedding ring to have sex, you should never marry someone just so you can have sex.