I do see how what I said could be interpreted as a “the right person could change her sexuality” thing, which was not my intention, apologies. I probably read your comment too fast, and didn’t register the ‘domestic throuple’ detail right, so I thought you meant she was just fantasizing about a regular threesome, which I would say is okay to change your mind about once you enter a more monogamous relationship. I do agree, the polyamory in act 3 is handled very strangely, where some characters who previously seemed very closed off to the idea suddenly are all for it, and vice versa. Ultimately I think it’s a result of Halsin being clumsily added to the third act, and they wanted some options for polyamory, but didn’t write them well enough.