Option 1 -> The passage criticizes watching shows "just to kill time" and questions why we waste something so precious.
Option 2 -> Social media arguments and negative conversations are shown to drain energy and accomplish nothing useful, as illustrated by the COVID discussion example.
Option 3 -> Explicitly listed as a meaningful activity that contributes to happiness, and demonstrated in the author's fulfilling Saturday.
Option 4 -> The passage warns against wasting time on trivial information consumption, like reading negative news or going down internet rabbit holes (Bitcoin/Wikipedia example).
Hence, Option 3: Reading thought-provoking books -> The passage directly identifies this as a meaningful activity that brings happiness, contrasting it with time-wasting pursuits like consuming trivial information or engaging with negativity -> correct