I became much happier when I realized I shouldn't depend solely on my career for my sense of self. So I developed other interests and surrounded myself with a small group of friends I could trust.
Any agreement that you have isn't going to be based on North Korea's intentions or trust.
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Suicide is possible but not probable hanging I trust is even more unlikely for I hope that by the time I die my countrymen will have become civilised enough to abolish capital punishment.