Female's wish for gangbang and threesome

Sexually dissatisfied females developed thinking that it's small dick which is not satisfactory.The reason for dissatisfaction is not matching of orgasm .That's the point one has to keep in mind while doing sex .when female achieve pick level orgasm , and how this must be known to male .other wise male will reach to pick level very fast but female takes more time than male .without understanding this if sex finished ,certainly female will remain dissatisfied and this leads to thought of 3some big dick gangbang etc.