Amy is an *sshole.
probably shoulda stayed a rat
She could have been a cheerleading trophy instead. That would have saved a lot of trouble. Except for her evil mom and all.
the poisoned apple doesn’t fall far from the tree
So Willow had a moment of perfect happiness, and now she lost her soul. 
“Hmm. I am good.” 
That’s some kiss. I bet there was tongue involved.