you have no reason to have an opinion

youve led her on - she thinks you 2 are going out- yet you are boning others without her knowledge
she has done nothing wrong - other than flirt a bit with a guy - and i bet shes only flirted with him because you arent giving her much attention because youve got your eye on other women.

i guess we like it all our own way - you are free to bum other people but she isnt