I'm always very entertained when I'm talking with someone and pick up on some very slight deviation from the "norm" in their accent. I think it shows two things

I'm always very entertained when I'm talking with someone and pick up on some very slight deviation from the "norm" in their accent. I think it shows two things: that its near impossible to totally wipe that fingerprint of a past tongue, and that our ears are incredibly adept pieces of tooling