Should I be worried about the fact that I have been trying to touch out with my home keys in stead of my Oyster card the last two days, while leaving the tube station?

Should I be worried about the fact that I have been trying to touch out with my home keys in stead of my Oyster card the last two days, while leaving the tube station?
Not unless you forgot to dress before entering the tube station…
I always try to open my house door touching out with the oyster if that helps you feel better ;)
Is that a reference to Notes on a Scandal ?