The narrator dies and wants to go back to his previous life but he has to force himself to learn to move on like everyone else
It would be rainsford falling off the yacht because at that point you wouldn't know what is going to happen and that eventually turns into a series of events.
Since an antonym is an opposite, like a synonym is a similar word, the opposite of aggressive would be meek.
B - conscience. Unconscionable means 'not right or reasonable'