At least from my own experience the hard of your bro is not cause of lust when doing jg but from the skill the person doing... And surprising the auntie doing for me neither syt or big boobs girls or kawaii face the only three that will make me hard on
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Prostate massage lol I also dunno some shop also say got but know the real thing a not... Notice a lot of shop nowadays anyhow bomb things one... Real prostate massage is where the girl finger up the ass to make u cum out which I am very sure some shop that claim they have this does not do that