CombatWombat

It’s tough to say definitively because there are a bunch of dialects, but in mine (west coast USA), “on another continent” is correct and “in another continent” sounds a little off.

My condolences for your loss.

Capricious is my favorite adjective, rather than trying to ascribe mental disorders to global systems. If you’re asking regarding a specific human, you should talk to a psychiatrist — if it is disruptive to their life, it may be a sign of borderline personality disorder.

This use of bipolar has very little to do with the experience of most bipolar people. Bipolar rapid cycling is defined as four episodes per year, much closer to the change of the seasons than the change of weather from day to day.