for those who it ended nicely it can be wonderful because they understand what you are going though when you come home physically and mentally exhausted.
BUT: for the ones that end badly it can be rough facing an x every morning exp if one is happier about the split than the other...if you feel that is right for you go for it..special people do not come around every day...but be careful with your heart
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This is exactaly on point, to have a relationship go sour is bad enough. To have one go sour and then have to face the person 10 times a day is extremely nerving to say the least.

I tried dating a co worker a few years back. To make a long story short I broke up with her and the next day my back tires were flat. I never did find out who was responsible but I saw her the very next day and she had the biggest smile on her face.