Answer: I would contend that the right answer is actually "to fake."
Explanation: Just to elaborate a little on the answer, it can be added that one of the meanings of the verb to affect is to feign, which can be translated as to pretend or to give a false appearance of something. If the character was trying to "conceal certain inconvenient emotions" which, nevertheless, "seemed inclined to assert themselves" by affecting high spirits, he was, therefore, faking those high spirits, in order to hide his true feelings from the people who had just arrived.
ASMR is doing gentle, soft, and relaxing sounds. And people listen to it because... it's relaxing, I guess...
A envious character will get even
I think is time or scuelle I belive
Fatigue. It means being tired :)
