I don't generally share my sims with people who know me IRL, so I've never been told that. But I do create sim-selves a lot for some reason. Technically the one in my avatar is a sim-self, but they always turn out a bit prettier than I actually am. Here's one I made more recently that is a bit more accurate to what I look like. Wouldn't be surprised if someone I knew IRL did say this one looks like me:
https://i.imgur.com/D9oXwqS.png
Complete with the big forehead and thin hair, along with all of that other not-so-pretty stuff about me IRL. >.< lol