He added me on snap chat 👻?

I used to have amazing sex with a guy a few months ago but then we just didn’t speak. Recently, I’ve become friends with his brothers girlfriend and she is always talking about me. The catch is - he has a “girlfriend” that works on the ships and she left two days ago. Yesterday - I got an add on snap chat out of the blue from him. What’s up with that? I expected him to send me a picture but he hasn’t yet? What’s the point? Why not just message me?
He added me on snap chat 👻?
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