Why is it upset? Shouldn't it be downset?

“Did you know that for pretty much the entire history of the human species, the …”

“In the last weeks, we’d been reduced to spending our time together in recollect…”

“And for the first time in his life, he smiled thinking about the always-coming …”

“When I've thought about him dying - which admittedly isn't that much - I always…”