Maybe because you care about what others think you actually tell yourself that you need to write and read more to become "better" (not necessarily than others,

Maybe because you care about what others think you actually tell yourself that you need to write and read more to become "better" (not necessarily than others, just "better" as a person because you feel inadequate) and your body tells you that it's not actually what you want? The solution might be to use the internet less and enjoy the offline life some more, not to "overcome the hurdle".