Nouns / phrases:
Harvest, reaping (metaphorically speaking). Cleaning,
tidying up, a
reckoning. Urgency. Severance, abruption, interruption. A cut, rupture, premature end, abortion. Too sudden ending; cold withdrawal. Divorce, break-up. Final
good-bye. Anything which is sharp, quick,
sudden. Efficiency; clean cut. (Possibly sudden and/or unexpected) hurt, pain, injury.
To harvest, clean, tidy up. To tidy up loose ends. To settle scores. To reap (what one has sowed), to deserve. To see oneself alright. To interrupt, to cut someone's word off. To sever, to cut something or someone off, to put
an end to something, to discontinue. To divorce, to break up. To get the best results while conserving one's resources; to use the best means for reaching a certain goal.
Clean, sorted, tidy. (Well-)deserved; self-inflicted/self-caused. Urgent. Efficient. Unpleasantly abrupt, painfully quick or unexpectedly sudden. Cut-off. Divorced, broken-up. Sharp, painful, hurt, injured. Dangerous.
As a person: Ex-partner, ex-friend, family member who has been cut off. A person who has (or would be able to) hurt us quite suddenly. Someone
who is blunt, or wont to do things too unexpectedly for our liking.
Stop it, immediately! Watch out! Be careful
you don't get cut! Get moving now, or else it will be too late! You reap what you sow!
Time factor *) : Suddenly and quickly - possibly too soon.