Maladaptive Daydreaming: where wild minds come to rest
Hmm…if it were me, I would try to just feel the heartbreak in my chest, without trying to escape from it in any way. I’d tell myself, ok, I feel pain in my chest and panic—so be it. And I’d try to be there for my hurting body, just like I’d be there for a friend who was hurt.
I hope you’re doing ok now.
I've never experienced something like that but I have been immersed in a book or a movie and some tragic scenes had haunted me for weeks. Time is the best medicine, try to wait it out and focus on calming yourself, panic will only make things worse. Try meditation, watch a stand-up performance, anything. And if nothing helps, you can try to find forums, websites or videos on how to deal with a heartbreak, even if it wasn't real. Nobody needs to know, you can pretend it actually happened to you and talking to someone who went through something similar might really help. I wish you all the best.