I assume he means a diversified investment portfolio.

He was asked if he has an age limit. Misunderstanding the question about what his maximum age would be, he replies that he wouldn’t be like a Congressman who had sex with 12 year olds.

https://www.msn.com/en-us/news/politics/trump-tells-howard-stern-he-can-have-any-woman-he-wants-then-decides-12-is-too-young-audio/ar-AA1J0IEV

He said 12 is too young for him.

Planes are the safest form of transportation if you look at safety per km travelled. If you look at other metrics, like safety per trip or per travel time then they are less safe than busses or trains.

https://travel.stackexchange.com/a/184330