Hi, I'm 29 too, and have the EXACT same problem. I live with my mother and my partner. And ... I've had the exact same experience with asking other people to help and the response being quite awful. Which is only to be expected, I suppose ... With my partner, I can drive and go out and so on, but I can't be alone in the house and I can't go more than about 500 metres away from home by myself. It's awful, isn't it, because you can really get stuck in a rut. I keep thinking that if I get better, I won't let myself slide back into the same dependency ... but I've gotten better before and then slid backwards because the dependency feels so good and is so much easier than having to deal with panic by yourself. If you still ever check this post, can you tell me more about your problem? I'd like to know a lot more, and I can share my experiences with you too - or if anyone else suffers the same problem, can they write here.
I'll give you an example of a bad experience with a stranger - I was in the supermarket and my Dad was waiting for me in the carpark. Even though he knows I've got anxiety, he always thinks I should challenge it so he said to go in by myself. On the way out I had a big panic attack, so big I couldn't force myself to take another step, so I went into the pharmacy and asked if I could lie down for a minute. The attractive, young pharmacist said okay, but she looked disgusted, and when I got up, she didn't ask if I was okay or anything - she was trying to look the other way. I have had some good experiences with strangers too, but this is typical of one that puts me off going out.