If you aren't feeling motivated to do things, this can be a big problem, and it is a sign that your issues are affecting how you live. I think you need to do something about it, even if it just talking to someone about it. I understand that sometimes you don't want to talk but do you think this is something you can do for the rest of your life? If you don't want to talk to someone you know personally, you could try talking to a health professional or as the above poster says, talking to online communities?
Take small steps. I know it isn't easy at the moment, but it will help you so much in the long run