character development

I liked Cordy on Buffy, but I love her on Angel. Even in Angel season 1, she shows an immediate growth from the character we knew in Buffy season 3. She shows compassion, and a deeper element to her character that makes the audience want to care about her throughout the various episodes...

When a character's behaviour takes a noticeably different/odd turn, how do you process this change? Do you find a way to make it make sense in line with their previous characterisation or do you find yourself taken out of the story and forced to see it simply as terrible writing? For me, the...

Which character, for you, changed the most? Which changed the least? What do you like and/or dislike about these, or lack of, changes?