I never had it before. Evrything feels heavy because of it. Have to force myself to get under the squat bar. Yeah, I'd be lying if I didn't admit to a certain amount of fear after injury. Okay, sometimes a lot.
Most injuries are like that, they are toast.
The problem with a disk is there is little warning to go on and, of course, it is a very debilitating injury. FWIW, here are some things that helped me. Give yourself time. Don't worry that it will take some time to return to where you were. Set a reasonable schedule and if you feel it is too soon - put it back.