[ Thankfully Madoka is here to kind of solve this misunderstanding - or at least to understand where it's going wrong. ]

Oh, no, Romeo, those aren't literal strings! It's, um.. just something people say, like a metaphorical thing! [ Does Romeo know what metaphorical means.

It's too late to take back now, anyway. ]

It means two people are just that perfect for each other. Um, maybe a little like the nice mister and his special friend here!

[ .. though there's something about what Thanatos is saying.. ]

But.. maybe they're a little bit more literal in his world..? [ How else could he actually cut them? ]