I don't have much positive to say about motor neuron disease, but it taught me not to pity myself because others were worse off, and to get on with what I still could do. I'm happier now than before I developed the condition.
The radiation left over from the Big Bang is the same as that in your microwave oven but very much less powerful. It would heat your pizza only to minus 271.3*C - not much good for defrosting the pizza, let alone cooking it.
I believe the universe is governed by the laws of science. The laws may have been decreed by God, but God does not intervene to break the laws.
I don't want to write an autobiography because I would become public property with no privacy left.