Perception is also a matter of what sex you belong to, or just simply indeed who you are. I have female friends who say GUYS who cheat or have more than one (sexually active) girl are just horrible and nasty and need to grow up. I've had other female friends (noticeably less though. Hmm.) whom have said and I quote; "I am of the opinion that humans work well in a harem-like system. Women in general tend to be more satiated with one lover than men are, because by sexual drive alone, men are genetically INCLINED to spread their genetic line as much as possible."
Although I might see SOME kindof of weird truth to that somewhere if I read into it, I also dont buy into the idea that I, as a male, am just a "thrower of DNA into as many women as possible". I would not, for instance, throw DNA at ugly women. At least, not in what **I** as a person percieve to BE ugly. This isn't just looks I'm talking about. (I can be easily put off of someone, despite how much I like them at first.)
And hey, PheonixSara, if reality shows mirror reality, why NOT glorify thems? xD!!! Lol.
Basically, I find the main thing in a relationship is to be upstraight with your partner, or if your even VAGUELY getting signals from someone. Make it plain. It makes things a lot simpler.
"I would like for us to be a serious couple."
"Do we have a proper, one-on-one relationship? We do? Good. Thats that sorted."
"I am not interested. Please realise we are not emotionally involved."
"What we are doing is not serious to me, so dont make it serious."
Generally, those kind of phrases help your partner(s) realise where they stand.
Helps to use them, people.