So confused about my "fwb"

Shataya
My fwb told me that he wants us to be exclusive without dating,he also told me if I even go on a date with another guy he will just stop talking to me. He pretty much treats me like a gf and calls me things like "gorgeous" or even "princess", I don't understand like does he have feelings for me ? 
Edit: He recently assumed I went to the movies with another guy and got jealous ( I didn't, but why should he care if we're just f Buddies) that's when I decided to ask him what our relationship is, he told me he doesn't know and he explained how he doesn't want to date anyone, I feel as though he treats me like a girlfriend without a label rather then a "fwb"

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