i think i would approach your wife a bit differntly with those great tits. first, i would just brush those pretty nipples with my lips, then slowly kiss and lick my way from the outside in the nipples watching the nipples grow, until i slowly run my tongue up and down those big nipples. by now she'd begaping open and wet, arching her back. i'd flip her over and pound her on her hands and kness so that her big breasts are swinging in rythym with my balls slapping her long thighs...