How do you cope mentally with this illness?

Hi everyone, what are your methods to cope with the mental pain or the distress of having this illness? I used to love running and it helped me with my mental health, but nowadays I can’t really do that anymore due to the cyst flaring up drastically from it. To be honest, now every sport is a no for me. Also my other hobbies required for me to sit (which now is also almost impossible) so nowadays I feel like there’s nothing for me that can just take my thoughts off of the cyst. I wonder what can I do so my life doesn’t revolve around thinking about the cyst and counting days to my surgery. Honestly, I’ve never felt so depressed and helpless.