Jesus Christ has effectively killed you off already on His cross. When you are in the realm and sphere of Christ He gently administers death and resurrection to your personality. The things which plague you and make you unhappy He terminates. And a new glorious happiness He germinates.
Christ's death and resurrection make suicide obsolete. By being joined to Jesus in spirit, bit by bit the bad is gradually put to death. And that which is glorious and victorious is planted in you and grows to fill you up.