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It depends how old are you?

If a 14 old younger brother has a larger penis than say his 17 year older brother by at least 2" , I would imagine that the older brother will be very jealous of his younger brother, if its the other way around, this won't happen as the younger brother will probably 'catch up' by the time he is 17. I once heard of twins, one had a 7" penis, the other only 5", the one with the 5" was extremely jealous of his twin brother, but that's life.

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13y ago

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