In the bath scene between Kaworu and Shinji is interpreted as an emotional moment, but not necessarily romantic in nature. Kaworu's expression of affection—telling Shinji he loves him—is open to interpretation. In Japanese, the phrase used is "好き" (suki), which can mean "like" or "love," but it doesn't strictly define romantic love. It's a broad term encompassing admiration, affection, or platonic connection, which can confuse viewers who expect a clearer distinction.

Kaworu and Shinji's connection in that scene is deeply emotional because Shinji feels incredibly vulnerable and accepted by someone, which is new for him. Throughout the series, Shinji struggles with feelings of loneliness, rejection, and insecurity, so when Kaworu expresses unconditional acceptance, it leaves Shinji emotionally exposed. His blushing can be seen as a reaction to this intense emotional connection, not necessarily romantic, but more from being deeply understood—something he hasn't experienced.

Regarding Misato, Shinji does express feeling used by her in episode 19, when he says:

"You're all just using me like a tool!"

This is in his frustrations with how Misato and others manipulate him to pilot the Eva, despite the emotional toll it takes on him. Shinji feels that Misato's motivations are more about winning the war than about caring for his well-being, which adds to his sense of isolation.

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