Living with me is a different story, in general conversation when my wife uses a sentence that has any fragment of a song title, or lyric and I catch it - I’ll begin to sing it. She used to get so annoyed at that!
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Well that’s a shame. You sound like you’re fun, but it sounds like she got over being annoyed.
I do believe in music being a fun, casual & light-hearted part of my personality So its not odd at all that spontaneously a song might pop-out for no particular reason at all.
So, yeah she is used to that.