Well, I can understand your ex not wanting to have sex with you, not because of any problems but because you two are EXs, and it would just be awkard.. (I think, I never been in that situation). As for the what else, there really is nothing you can do.... Outside of paying for sex, but I'm assuming it's not the same.
As for her showing great concern, that is good, at least someones supporting you, but also, right now may not be the best time to look for people to talk to.... I'm not sure if your in the p.ms, but i's around 3:45 a.m here, and not many people would be up to it...
But, good luck to you, I'll be here awaitin your reply.
*Owl*