When my XW first moved out, all the tension, negativity, chaos, etc followed her right out the door and moved with her. My kids (all teens and young adults) noticed and comment on it as well.
The relief I felt was amazing, and I did feel a wee bit guilty about feeling it, but I fixed that guilt in time.
You are doing well, and it does get so much easier not having all that yuck around.
In the depths of winter, I finally learned that within me there lay an invincible summer. - Albert Camus
Uncertainty is the very condition which impels people to unfold their powers.-Eric Fromm