I'm bi, my girlfriend's bi-curious. How do I support her exploration?

I've recently come out as a bi man. Luckily, I've found an amazing "bi curious" girlfriend who's understanding. We have great sex. The relationship is developing nicely. One problem though, curiously, is her bi curiosity. To feel comfortable committing to the relationship, she needs the option to explore girls. Which I've granted. Encouraged even. But paradoxically, my openness causes her insecurity. She's from a more traditional part of the country, and by not wanting her to be exclusive, I'm not fitting into the traditional role of committed boyfriend. There's also just fear of the unknown. Will she like girls better? We've been really good about talking this out, and have talked a little about bringing another girl to bed, but is that really the solution? As a decorated threesome veteran, does this sound like a road to bliss or a potential purple heart? Are there other, less cliche ways to support her exploration?

Anna Pulley, @annapulley

December 8, 2011