I remember my dad had a business card from his barber and it had a story that went like this.
"If a young woman wants to date an older man that's her business, if an older man wants to date a younger woman that's his business . . . if you flip this card over that's my business."
Ultimately, it's all about how well you guys get a long and interact, it's nothing I haven't seen before. It's not uncommon for me to see it in the cities I've been too. I agree with Marty, go for it and don't let doubt hold you back.