I love to start characters in a place where you think you know them. We can make all kinds of assumptions about them and think they have no redeeming qualities, but like everyone, they're complex.
If it was just me and Elvis one on one, which only happened once or twice in the times that I did see him, it was a really comfortable. He was a cool guy. Easy laugh, nice guy.
For as long as one has no further point of reference, apart from the position of the maximum, the wavelength thus remains uncertain by an integral factor.

