He might not be cheating but if he's showing he has eyes for other girls and is loudly vocalizing the fact then clearly he's not a very good boyfriend.
I mean it's okay to say Scarlett Johannson or Zooey Derchanel are hot because they are celebrities who you will most likely never meet in person, much less sleep with, but someone who is right there in the relevant social circle is off limits for flirting with especially in the presence of your girlfriend, as that CAN escalate into full on cheating.
I mean it's okay to say Scarlett Johannson or Zooey Derchanel are hot because they are celebrities who you will most likely never meet in person, much less sleep with, but someone who is right there in the relevant social circle is off limits for flirting with especially in the presence of your girlfriend, as that CAN escalate into full on cheating.