What do guys think about uneven boobs?

I'm in high school have a great boyfriend and am pretty happy with myself. But I'm scared to do anything with him because what if he sees my boobs there uneven(left A, Right B) and it kills my self of steam but if we don't move on will he leave me I need to know what most guys think of uneven boobs!
What do guys think about uneven boobs?
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