I know this sounds ridiculous but I am really bothered by this and need help coping or getting over it...

I have an addon that marks destinations for achievements in my game. One of them is for Crime Pays/Give to the Poor. I ran into a Khajit npc, a merchant, standing where the marker was. He was kind to me, offering to trade with me, bubbly and happy, and I went through the dialogue options quickly without realizing what they were going to do, and it was basically me intimidating him into being robbed by me.

The Khajit said something along the lines of "mother always told me I was weak as a kitten," and he slowly opened his backpack, put it on the ground in front of him, and sat down, completely dejected.

I felt horrendous. I did not loot his bag, and I waited to see if he would disappear, while feeling heartbroken for what I had done to the Khajit who had been nothing but kind to me. I logged out, and when I logged back in he had despawned, and my achievement did not have a completion marked, so all is forgiven right?

And yet, all I can remember is his face and how I hurt him. I can't seem to get over it. I know it's not a real person but I am hurting about this. This isn't the way I am or my Khajit is.

Thanks for any advice.