There are some things that you know you should never say. In the past politeness was taught from childhood on up. Nowadays, it seems to be taught on a need to know basis.
Common sense should dictate not saying many of these things. But, then again, sometimes common sense seems to be not so common in the general population. Look at the trolls on social media for instance.
Men and ladies, below you will find 21 things you should never say to a woman unless you are looking for a fight, want to end a relationship, or are just a jerk.