<human>: Asking this because a friend of mine is seeing a 36 year old man, and she is 25 (my age as well).

This is legitimately the first guy she has ever dated, and I mean dated + being intimate with in any way. She had never showed interest in dating at all till I steered her in the direction of online dating. (ironic, no?)

 I'm worried that this guy is just seeing the naiveté in my friend and seeing a young/ pretty girl. I want her to be happy, but I am having a hard time wrapping by head around her first dating experience being with a guy who is so much older. And to be honest, I feel very protective over her. We have always been like sisters. 

 Is she is sowing her wild oats? I would argue that, but that doesn't really fit in with her overall demeanor. I would describe as very career driven, introverted and naive with guys. She is not looking to settle down and have kids, although she owns her own home. And so does he apparently, don't know about what he wants family wise. 

What are others experiences with an age gap like this? I am not looking to stop her happiness, I am more or less just curious as to other's opinions on if and when I would vocalize my concerns.

Give me a shortened version of the text
<bot>: Best friend dating man who is a decade older than her, worried she is being taken advantage of due to her naiveté to men. Asking for personal opinions on the matter/when I should vocalize concerns.