Family & Friends

Should I tell her or let it go?

So I met this guy on a dating website about a year and a half ago. We got along really went on a few irl dates which I thought went well since we had a lot of chemistry. Anyways he ghosts me out of nowhere and I got over it eventually and moved on with my life. Now said guy is talking to my bestfriend. She introduced us a few days ago. I played it cool since he didn't seem to recognize me, I think. But he clearly seems to remember when I recommended adding lime to his coffee which he thought was weird and I pushed him to try it. Am I reading too much into this tho. My friend seems to like him a lot and she seems happy would I ruin stuff if I told her with my speculations that he isn't a good guy. Like I hope he doesn't do the same thing to my friend, she's pretty easily hurt but then again I don't wanna call him a bad person maybe he'll be different with my friend and we just never clicked together.

Should I tell her or let it go?
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