I don't think Amberlynn would be sad about Destiny moving, leaving, whatever, but more-so left to feel abandoned, in her own mind, somehow. I believe AL has a real, sincere victim complex and her ex moving away, though totally normal and within the realm of likelihood to anyone else on plantet earth, is like, abandonment to her. I find it difficult to imagine how Amberlynn views her relationships with other people. Shotposting and nonsense aside, I don't know how she feels about Kasey and Destiny, without making it about her, her experiences, her pain, her whatever. She doesn't seem to process that other people have their own opinions and emotions and perspectives, at all, and it comes off really me-me-me and narcissistic. I fucking doubt Kasey and Destiny spend too much effort thinking about big ol' Amber beyond "oh yeah, that's my ex" but sweet child here has made it a definite point, in her own ways, to show she's contingent in reliving the past, and I would use the word "past" subjectively because she's a fucking liar.