What do people mean when they say "You look good together"?

My acquaintances said it when I was chatting with my guy friend.
Does It mean they think there's a chemistry between us? Because I think that guy likes me.
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+1 y
But we had a just a friendly conversation nothing more. I didn't feel chemistry or something, I was just happy to meet him and he seemed to be glad too.
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+1 y
uh?
What do people mean when they say "You look good together"?
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