I would love to know what caused him to stop. You may never find out though. Bottom line is that you would like it and he doesn't want to do it. If a lady I was interested in would not let me give her oral, it would be a deal breaker. Unfortunately you can't read into the future or you wouldn't be dealing with love and emotional attachments. If you had known this up front, you might've dodged this bullet altogether.

__________________
Though I am different from you,
We were born involved in one another.

For it was not into my ear you whispered, but into my heart. It was not my lips you kissed, but my soul.

Complete surrender should not just come at moments in which one faces overwhelming odds, but in the calm when it seems one is personally in complete control of one's life.