They will continue to fall apart until you regain your composure and start to use your brain instead of listening to your heart. You are smothering him, you are lucky, he told you that you are. It is time to give him what he is screaming for, space.
First challenge for you, do not call him, let him call you first.
And when he does call, because eventually he will, be way too busy for him, just say, hey hows it going, and then say, hey can I call you back, I have to go, meeting some people out later. See ya, and make sure you hang up first.
The heart will get in the way, use your head, and start doing things that work, and quit doing things that harm.
You can do this.
Have you ordered the DR book yet. Also, start looking at others here, the charcters are different but the script is usually pretty close.