<p>Given Bell's level of maturity and innnonce, calling his feelings for her 'love', if you can even refer to it as that, is definitly a big stretch. Regardless of what his abilitiy means, I would say that his affection for her is more like adoration or idolization. There has been no indication that he actually wants to be with her or wants anything from her, other than being as strong as she is, likely to be able to 'protect' others as she did for him or as a 'hero' would. Aiz herself is even worse than this, barely showing any emotion aside from a brief embarassment at being seen naked, perhaps indicating she has modesty like a normal person. Her only interest in him being knowing how had gotten and is growing so strong, sort of a shared likeness, but feelings for him? Not so far.
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