Answer: According to the speaker, headlines about the benefits of chocolate and cheese came about when the scientist was doing studies with a drink that made people have less tryptophan in the brain.
The green girdle represents his survival and failure. "A man may hide his misdeed, but never erase it." He says it's a code of honor
Answer:
susan usually ... goes to school by bus, but now she ... going to school by train
The respect that something is worthy of; the significance of something, someone, etc
Let is an closed syllable