That's because she's been getting more confident. She used to freeze and wait to hide away at the slightest sight of me but now she will intentionally leave her head out to stare me down and do long, slow tongue flicks to show that not only is she aware of my presence, but how unhappy she is with said presence.
My other snakes are ambivalent and aloof for the most part when it comes to dealing with me, but with her she will take any opportunity to display some defiant sass.
I know well the "sass" whereof you speak. I love that about some snake personalities.
Rudeness is the weak man's imitation of strength. Eric Hoffer(1902 - 1983)
“The greatness of a nation and its moral progress can be judged by the way its animals are treated.” ~ Gandhi