Anonymous said: Why can't they have kids???
mercury poison affects fertility.
korra was severely poisoned and still had bits of it still left in her body for 3+ years.
Imagine Person A waking up from a terrible nightmare, completely terrified and shaking. Person B assures them it was only a dream before pulling A into their arms, lulling them to sleep. Moments later, A’s alarm clock goes off, waking them up. That’s when A remembers: Person B died years ago.