Here's a recent article from DNAinfo. com about dating with a dietary restriction, specifically celiac disease wherein they asked me to weigh in as well.
From DNAinfo.com:
Far from being ashamed of her allergies and intolerances, Sloane Miller has built an empire on them. Under the name Allergic Girl, she provides coaching, consulting and advocacy for those plagued by food allergies. She penned a book on the subject last year.
"Dating is all about getting to know someone and them getting to know you," said Miller, a Midtown East resident. "Accepting this diagnosis is letting them into that part of you.
Read more of the article on DNAinfo.com.
And there's their list of gluten-free restaurants, several of which are on my Allergic Girl Recommends list and good with food allergies.