The same decision process can absolutely apply, whether it is about something you consider immoral or just plain self destructive or no matter what the reason...of course the decision process can be exactly the same.
And mine was, many times. And why was it "many times"? That's the question, isn't it?
Karate, seems to me this question of yours points to two others:
- if you've made the decision before, through the same or even a different process, what happened that you didn't stick with it?
- have you ever made the decision?