If this guy really does like you then he should want more then a hook-up or sex from you. Guys can be ass holes and they fool us all. What we think is true could be nothing but lies, but we never know and we always hope for the best and ignore the worst or what's right in front of your faces.
So if you want a relationship with this guy then NO MORE SEX until your "official".
You will shortly find out if he does or ever did really like you for more then your body.
If not then move on every girl deserves the best. There's plenty of other guys out there looking for a real relationship.