One conversation.

You see a certain way. You think a certain way. You believe a certain way. You are so convinced, that not once did you ever even doubt that you could be wrong.

Then, you have a conversation. Just one.

All changes.

As with many great changes, the first stage is denial. No, something is wrong, it cannot be. Then, as the reality sinks in more and more, you decide, hey, let's give the benefit of the doubt. You invent excuses, you try to justify, you try to reason in your head, no, this cannot be.

But then, further sources appear. More evidence follows.

And then, you realize, it can be, in fact, it is.

And thus, because of that one conversation, you no longer thing that way. You no longer believe that way.

You no longer believe.