I'm very happily taken, and have been for closing in on 9 months. I love the girl more than I think I consciously realise, but I've noticed I still on the odd occasion flirt with girls. Now thinking about it, I guess I can base this on one or two things. The first is I'm not exactly the most confident of people, so the old self-esteem runs of fumes. I guess it could be an unconscious seeking of validation through harmless interest from others. Alternatively it could be that I was single for so damn long it's just become unhealthily habitual to flirt with girls I acknowledge as attractive. Noticing attractive girls is one thing, hell my girlfriend's even said "You can windowshop, just don't buy the goods". But am I crossing a line? Opinions, abuse or a comforting reassurance - all equally appreciated.