Tonight a guy invited me to smoke weed with him and another girl. Me and the girl kind of had a flirty vibe already, but so did the guy. The entire night, I didn't talk to the girl, because I felt like that would be an open challenge to the guy, and I didn't want to do so because after all he did provide me with weed.

What do you guys think about these types of situations? Where I can be able to AMOG but maybe wouldn't want to do so because the other guy provided me with something?

Would talking to the girl/showing a bit of dominance actually be 'okay' to the other guy? I don't want to be too 'mean' to someone that provided me with weed.