Not to be perverted but imagine a girl like Sakura in real life, who could control their chakra so well that they could focus it during sexual intercourse and squeeze your cock with her pussy that it would make it almost pop, could you imagine that type of chakra control during sex man.
Naruto has to choose between having Sakura's chakra controlled vagina for super strength intercourse or Hinata's tig ol bitties and willingness to do anything for him (submitting to his every desire)! Sakura's pretty tough too so she'd probably beat up Naruto all the time if he did something wrong, and at least Hinata is understanding

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