All of my life I've been a chameleon, adjusting my behavior to better fit in at social settings. I don't particularly like this aspect of myself and occasionally I will resolve to stop pretending I am someone else and to start being my normal self (which would therefore not be normal by society's standards), but it's something I cannot stop myself from doing. At work, if other guys check out a woman's ass, I pretend to give a fuck. I'll join in and say, "oohh yeah, I'd hit that" but afterward I feel like a fucking buffoon, a brute. It's not that I don't appreciate other women's beauty, but it's low, if not nonexistent, on my priority list. It reminds me of a scene in the sitcom How I Met Your Mother wherein the character Marshall, happily married, can only justify the thought of sex with another woman by engaging in a long and elaborate fantasy in which his wife has been dead for many years and only then does he feel comfortable having relations with another woman. That is what it would take for me to really care about "tapping" other asses. Otherwise, guys seem to think something is wrong with me. Then it resembles something like that scene in The 40 Year Old Virgin in which Steve Carell is accused of being gay for not appearing enthusiastic about banging women. Granted, my reasons don't involve being a lifelong virgin, but the reaction from his coworkers is something akin to what I'd expect in my own situation.
The same thing happens with sports talk. I will feign interest in the NFL or some other sport, even going so far to sometimes verbally endorse a team I know little about--my basis for choosing a team is usually their team colors. I like the Saints because their uniforms look cool. I actually don't care about the Saints though.
I also have a terrible habit of adjusting my accent and speech to mirror whoever I am talking to. I see myself doing it and I feel like a phony, but it still happens.
It's worse around other males. Around women, I have an easier time being myself. Perhaps this is why many of my best friends throughout my life have been females. I feel less of a need to play some role, I can let my guard down a little bit.