There was a stir in my Uni when someone donated XIX century book with envelope containing something that resembled dried smallpox blisters.

OP, if you are so nervous there's an option- large libraries and archives taking care of old books offer fumigation- but it's not a cheap thing. I paid over 100$ for one bath

It's a good way to start a fire, especially with an old, brittle paper.

I follow many and scan runner ups for something that might align with my interests.

His brother died of leukemia and his family basically abandoned him by kicking to boarding school and limiting contact. He has no one to rely on. Economically and socially privileged but mentally- saint would have gone mad.

I don't. I observe people with thoughtful and insightful reviews but I don't feel need to make "friends"