>>279589748
That too, of course. But older sisters are obviously in less need of protection being their silly younger brother, but it can absolutely still come into use one way or another. Fact is that man are there to defend our weaker other halves, especially ones that are blood or family related.
>>279589798
Having a brocon is fine, what you need to take care about is he lust problem, which can be done provided it stays one sided at worst.