Quote Originally Posted by TheSmokingMonkey
The only way to make this better is to:

1. become friends with the girlfriend, hang out with her and with both of them together as much as (or more than) you hang out with your guy friend alone.
2. never, ever flirt with your guy friend. ever. even if you want to and are used to doing so and you know nothing will ever happen. just don't do it.
3. talk to the guy friend only in glowing terms about his girlfriend (even if you have to swallow your pride to do so). any negative talk about her should come from him, never from you.

just be a proper lady and things will work themselves out. don't let it get to you, because you run the risk of turning into a petty bitch, and nobody wants that, least of all, you.
Yes! She'll realize you're not a threat and stop being so jealous.