My instincts are typically quite logical. I never think about things, however that thought process is involved somewhere along the lines, just not consciously.
Depends on the scenario.
If I am not emotionally affected, then logic. College drilled logic into me.
If I am emotionally affected, then logic goes out the window.
Generally, you should go with your gut. It works for me, but I've also tricked it a few times. So if you think you can do that, then by all means give it a try. But start out small.