For the first couple of seasons of Rebels, Ezra continued crushing on Sabine, but she always kept him at arm’s length. Mercifully, he eventually dropped his flirtatious ways, and he and Sabine developed a different kind of relationship as colleagues and dear friends. This is what Ahsoka is clearly referencing: Sabine discovers a private recording Ezra recorded for her, and in that recording, he says, “We aren’t really family, but you’re like a sister to me.”
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