Marcelia has been promoted and is moving her family to a new city in a different part of the country. Though 4-year-old Fernando is very happy and makes the transition easily, 13-year-old Jorge is unhappy and has a very difficult time adjusting to the move. Which single set of factors best explains the different responses of Fernando and Jorge to the move?

Though 4-year-old Fernando is very happy and makes the transition easily,

( the transition is easier for Fernando due to his little age, in this age 4 is easier to make new friends)

13-year-old Jorge is unhappy and has a very difficult time adjusting to the move.

(obviously Jorge, a teenager would have more difficulties to accept the move. Probably he has a girl friend or maybe he is a member of a kind of group that he would not rather be apart.)

Explanation:

man vs. nature - first choice