Is it weird to say this?

I broke things off with this guy that I really liked but he wasn’t putting in as much effort as I would have liked (we did talk about it but nothing changed so I ended things) we haven’t talked in about 2 weeks but he texted me that one of his friends says she misses me, I met her once because she was his roommates date to formal. We talked briefly and she was a sweetheart but we didn’t talk enough for her to say she misses me and it’s odd for him to text me that. I want to text him and say “Is she the only one that misses me?” But I don’t want it to be weird! We’ve been friends for years and I do miss him but I’m not sure where we stand! Would it be odd if I say that back?
Is it weird to say this?
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