Sometimes that's how it is. Some people are "all or nothing", I'm afraid. It could be that he is really possessive. Or it could be that he knows you will eventually begin a romance with someone else, and he couldn't handle that. It also could be that his desire for you is very strong, so that being only a friend would be torturous for him.
Think of it as being really hungry and being given some food...but not being allowed to eat it. Sometimes being in love with someone you can't have feels a bit like that. Sometimes you have to stay away from something that you really want but can't have.
He is trying to coerce and manipulate you...
That's not love
You have any real close friends? Do you withhold any information from them. True good/strong friends never withhold anything from one another. You just don't do that to someone you love and care.
b/c it hurts darling. :)
I think it should start with friendship and then go to the next chapter.
2 lovers that remain friends either are still in love or never were