Holy Fookin' Shit, I literally thought Mel was the one who donated her heart to Lynn. That literally scared the f out of me. I was silently praying and wishing it isn't what I thought it'd be. Thank God, I was wrong. Though, it would've given us a more emotional and unexpected turn but... I kind of prefer this happy end. I liked how the author made all these vague dialogues to make us assume it was Mel, but then give us that plot twist of how she decided to change her mind so quickly right after she thought of Lynn. Goddamn, this was emotionally exhausting. I was about to give up because I didn't want it to happen. I loved how they ended the story in a happy road.