bicker
(verb) argue about petty and trivial matters
feign
(verb) to give a false appearance of; induce as a false impression
et cetera
(adverb) indicating that a list is too tedious or clichéd to give in full
unquestionably
(adverb) in a way that cannot be disputed or doubted; without question
flickering
(adjective) (of a flame or light) burning or shining unsteadily; wavering
departing
(adjective) retiring, retreating, withdrawing
thrive
(verb) (of a child, animal, or plant) grow or develop well or vigorously