Often to make the gal to cum is like to do a magic trick. And in order to do that you must know how the magic works. So who could do it better than the other hot lady then? That's ideal - no one! But you will still have to help her: switch between licking, rimming and rubbing actions while take pleasure in the show and try to reach the maximum level of pleaure before the time limit will run out!
Tina's boyfriend made her because her breasts are too small. She chose to go to her breasts to be enlarged by Pedro. She chose never to leave her, later she did it now she needed his penis to expand as size doesn't matter.