english: I think they each chose whatever age they want to as my mom is 54 and still needs permission from her younger brother (she is divorced) to travel, and still has to travel with a paper giving her permission from said younger brother.
non_english: Penso che scelgano un'età qualsiasi, arbitrariamente, visto che mia madre ha 54 anni e ha ancora bisogno del permesso di suo fratello minore (è divorziata).