I am actually Colombian, my family is Colombian, and more importantly (aside from my height, 6’2″) I look Colombian.
I have lived my entire life, barring the past 5 years of course, in Southern California.
These younger guys are both curious and excited about dating a woman who, is not ashamed of what she wants sexually, unlike the younger girls of his own age who are often confused about just about everything, including their romantic and sexual desires.
Being around a younger guy makes a woman feel younger as well.
No woman is attracted to a guy who is a couch potato or who is unable to climb a set of stairs without being out of breath, especially if the woman herself is very active.
That higher sex drive translates, among other things, into being more direct with men.
The more mature women may be interested in dating a younger guy out of sheer curiosity of what it feels like dating someone younger, and also because usually younger guys are more “agile,” active, energetic.