It sure is a start. He cares for you, but he's still worried you might regret a carefully planned decision you slowly came to terms with before telling him... Tell him you appreciate the support, and guide him as much as you can. :)
I too am in the process of getting a diagnosis.
As for my meltdowns, I have two phases: Muting myself, or cussing everyone out loud, while I try to internalize the feeling of crying.
It sure is a start. He cares for you, but he's still worried you might regret a carefully planned decision you slowly came to terms with before telling him... Tell him you appreciate the support, and guide him as much as you can. :)