Knowing When It's Time To Say Good Bye

How do you know when it's time to end a dating relationship? Some last too long. Others end too soon. What signs should you look  for? What are the non-negotiables/deal-breakers to look for before deciding to move forward in a relationship? There are a myriad of things to consider other than how fine someone is or how much fun they are to be with. It's easy to get caught up in emotions when you're receiving attnetion that you have been missing, No one wants to lose that. Being desired is a great feeling especially when it's been a while since you've had that feeling or when it comes on the heals of relationship that ended badly. It's all the more reason that you address the issues/concerns early on to avoid finding yourself in a relationship that you should be in and having to ask yourself. "When is it time to say good bye?"