Hi, I think you're focusing a little much on you being a problem (?) in the relationship. I'd say he has his part to play too, if he's not fully understanding and regularly out with his friends instead of with you at times. So "a two way street" really??
Sure, there may be things you want to work on e.g. feeling better, more secure, more dependent,,,,,,,,but maybe you can work on things together including him learning to be more understanding. And you know with a bit more open communication maybe you can find more of a balance between you.
And perhaps if you talked to him about what simple things might make a difference to him as well e.g. if he'd really like you to make him a drink (tea/coffee!) sometimes when he came in you could maybe manage that?? And then maybe feel a little more in control/less dependant/feel a bit more of a balance???
Just thinking though, does he go along with you to any of your appointments with professionals, maybe then he could appreciate more of what you're going through? And be in a better position to support you when you need it (I'm guessing there is some stuff you've held back from him) leading onto you not suffering quite as badly and a closer relationship? I don't know, do you think that might help??
Alison