If someone mistaken you and your best friend as a couple, would you immediately correct them?

Twice. My best friend didn't. He just laughed. I tried correcting the guy teasing us together but it sounded lame. Why didn't he say anything? He just looked at me and grinned (ahhh... Cuteness!). I wish it's because he liked the sound of it too (I thought it had a nice ring to it... tee hee...). Well, I'm glad he didn't say "No, no, no, that would be a disaster" or something like that. He's a very witty guy and can come up with some crazy answer in a split second (every time we banter that's how it is anyway) but he just kept on grinning without saying anything. Dreamy sigh.
If someone mistaken you and your best friend as a couple, would you immediately correct them?
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