How do you believe you’d feel if you killed someone? Wether by accident or on purpose? [I Am Curious]

Do you believe you would cope well?
Would you hide the incident or confess?
If you were convicted of the murder, where would you go from there with the remainder of your life?
Do you believe there’s anything in the world that can provoke you to consider committing the act of murder? If so why? And if not, why not?