Often to make the gal to cum is like to do a magic technique. And in order to do that you must understand exactly how the magic works. So who could do it much better than the other hot woman then? That's ideal - nobody! However you will still have to assist her: switch between licking, rimming and scrubing actions while take pleasure in the show and try to reach the maximum level of pleaure before the time limitation 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.