The OP, through his query about whether his conduct is wrong, apparently feels some at least fleeting sense of guilt about his behavior.

The repetitive nature of his statements about fidelity, as well as the suggestions of others about sexual preference, might be equally indicative of scrupulosity resulting from working long hours and being away from home too much, and nothing more.

Inasmuch as the FlyerTalk Terms and Conditions and the general policies of our host prohibit "talking about" other posters, I'll turn to my reaction to that query raised in the OP.

The "flirting" described is merely a (perhaps excessively) heightened level of courtesy. Good manners are never "wrong."

I agree with the intimations of others upthread that what you attribute to "flirting" might be more likely explained by Platinum status, travel patterns, and being a CO Star. Perhaps we'll never know (until you change these components of the equation).

But does it really matter? If you feel your good manners (or "flirting skills") have resulted in more operational upgrades, good for you!

Courtesy and respect for others never go out of style! And good writing skills have their uses, too.