I completely understand how you feel, I've been battling for 7 and half months now, I'm so frustrated that this has happened to me, as I'm sure everyone here is.
I'm just like you, needing to nap every day, constant headache, missing the things I used to, and still do, love... I don't listen to music now.. I sometimes make myself because I miss it so badly.. then pay the price for my actions :/

I'm upset that I know I won't be well tomorrow and that it's my anniversary with my boyfriend - he's been amazingly supportive, I'd love to give him a day off from the worry and clear upset my head injury causes him. I don't think I'll be so lucky to last more than an hour as my 'normal' self.

I don't think anyone has any advice as such - we're all so different. But please, try not to give up hope. I look forward to the day where I can watch a film with my boyfriend just like we used to.. I look forward to the day I can spend time with him where he doesn't need to carry me to bed and watch me sleep away our precious hours together.

I guess my advice is find motivation... an end goal.. that you want to be able to do.. without having severe symptoms.. Mine is be able to last a whole evening for the person I love and maybe watch a film as well.. Yours could be being able to watch a favourite programme? Or a favourite film... If you're familiar with it.. it might provide some escape from the pain for a while...
Motivation always works for me.. I hope that maybe it could be beneficial to you.. In the meantime, rest like hell and always remember that no matter what it will be ok in the end. And if it's not ok, it's certainly not the end