If there's something we could all agree on, it's that there is always going to be something about every individual in our life -- from our partner to our friends to our coworkers -- that we don't necessarily like. There's always going to be a trait, tendency, or quirk that gets under our skin and that we would probably do away with if given the choice. Maybe they're a tad cheap. Perhaps they're a bit stuck-up. They could very well be messy, aloof, or prone to lying. Hopefully, we are able to turn a blind eye to these perceived shortcomings. But for those things that aren't as easy to gloss over, it's up to us to decide what we're willing or not willing to tolerate. The key question becomes: At what point does something we perceive as a character flaw in another person become too much to handle? Let's be fair, though. It isn't as if we're perfect either. So if we decide to cut ties with someone because of, say, their substa...