Don't Risk Losing Friends. Read This.

Guys usually fall out for women, money and face value, while gals usually fall out for men & gossip. In my experiences, I'd seen these happening countless times.

While we are still sexually active, issues regarding the opposite gender have major bearings in our lives. The loss of [opportunities to] which due to male competition could spell disasters for some. This is especially so for men. Male mammals alike fight for the females. Man being an animal scientifically would engage in the same brawls too. If not for morality, which his intelligence obliges him to understand, he'd have killed more brothers along the way. It's just the animal instinct acting on him ... c'est la vie! However, the sensitivity of woman issues has only a limited effect on him. In a classic example, as a man grows older, he starts to be more interested in the beer than the sexy waitresses. That's when he really ages with a near-defunct libido ... it makes little sense to fight over something less interesting now.

Money as a subject of fall-out is obvious. It won't be discussed here.

Face value is an artificial construct of manliness. The societies put it that the man with the highest face value is the superior male, i.e. the equivalent of the alpha-males in mammal herds. For reasons related to larger access to women and for men's innate thirst for power, we would fight for face.

Gossip is also a relations killer, but it pertains more to women. Some women develop a stronger sense of existence by belittling others. As most women have small groups of friends, the subjects of their gossips usually revolve around acquaintances. If the other parties hear about these gossips (which is usually the case cuz' the women's grapevines are larger despite their smaller social circles), the damages are done. C'est tout!

If one wants to maintain a good friendship, one should try to refrain from getting involved with the above issues. However, there's an exception, i.e. for the enlightened folks who'd been through the mills. In other words, for men/women who had seen it all, who understand the nuances of the above-described, they would have a broader bandwidth to accept reality and not compromise existing friendship.