By Tania Khadder for Excelle You pride yourself on your open, honest relationship. But that doesn't mean you should blurt out any thought that comes to mind. Sometimes, a comment that seems perfectly harmless to you might be hurtful, awkward or just plain irritating to your boyfriend. 1) "My ex did the exact same thing!" Whether it's a desirable resemblance (they both always hold the door open) or a less desirable one (neither one showers often enough), your boyfriend never wants to hear that he's anything like your ex. Ever. You don’t want him to feel like you're always comparing the two of them, do you? Think about it: Do you really want him to imagine that he does other things just like your ex? Doubtful. Plus, he might think you're still hung up on your former flame. Either way, a comment like this won’t do much for his self-esteem. So the next time you experience boyfriend deja-vu, keep it to yourself. 2) "Helen's pregna...