Bill Bryson says, “I am, in short, easily confused.” What examples has he given to justify this?

He says, "I am going to Patna."

Sergei says, “I am happy that my words have taken effect.” Why does he say so? Is he right in saying this?

What is 'short-night plant'?Given an example

“I looked into the mirror and smiled,” says the doctor. A little later he says, “I forgot my danger and smiled feebly at myself.” What is the doctor’s opinion about himself when: (i) he first smiles, and (ii) he smiles again? In what way do his thoughts change in between, and why?