Regina must be able to suck start one of Dave's Indy cars.
The real reason he was nasty to the Palins is that he was jealous that Sarah could take her fourteen year old to a ball game. When Dave's kid is fourteen old Dave's ticker will have given out. The only park he will be visiting will have headstones.
As people age and approach the end of their life some become joyous and bask in the wonders that they have seen and done; others become mean,resentfull and disoriented as they wonder why they were never picked to host the tonight show.