We've been friends for a few years now, and hang out every week usually at his place. Our friendship is kind of flirty, although he's never asked me out on a date. He did however ask me to be his plus one to a wedding that took place the other week (as a friend I guess), and had said I looked beautiful before we set off. But when I got back from loo at the wedding I saw him flirt and exchange numbers with a girl.
Others always ask why we're not together, because we look so close, but he's never made a move on me and I'm so confused as to whether his flirting is just banter or not.
What can I do?