Choose the word or set of words that best completes the following sentence.
In contrast with the robust health of his youth, Sebastian was quite __________ in his old age, generally unable to perform tasks that were even slightly difficult.
Choose the word or set of words that best completes the following sentence.
Vernon was perhaps the most __________ person whom I knew; my other classmates were quite understated and humble in demeanor, but he found it necessary to display his high opinion of himself.