After 3 months of no contact, even if he were to call on your shared birthday, what difference would that make?
Would you get all wrapped up in that relationship again? What you want and what he is offering are two completely different things, don't you think?
For me, letting go of my fantasy was the hardest part. I have learned that I love my own company, I love doing whatever I want to do, and not having someone else's behavior or emotions determine how I feel. Enough of that to last a lifetime, thank you.