No, he could have eaten the squirrel and still been fine. My dogs kill and eat squirrels all summer long. If dogs got sick by every diseased animal they ate, then there would be no such thing as dogs anymore. The same thing goes for ALL wild carnivores.

Because it is true.

Most of the NT was written from about 40-100 years after Jesus allegedly lived.

It is true that this fact does not point to the veracity of the contents. However, it brings into question why did it take such a long time to write down facts? If there is no contemporaneous writings, the possibility may exist that it is entirely fabricated since there would be little or no evidence to look at to support the claims 100 years after the alleged events.

On a small area of glass. try one of the acid based oven cleaner liquids to see if it will eat the carbon, remember to wear gloves and apply it in a well ventilated room.