Most Helpful Guy
If he is the type of man who doesn't talk to any other female other than you, if he is a type of man who only has eyes for you and likes to spend time only with you then I think that is a fair expectation.
Although he cannot force this expectation on you because not everyone can be the same.
Most Helpful Girl
That's not a healthy relationship. It's not ok for him to set this kind of boundaries and you shouldn't accept this.