1. Posting pictures of one’s honeymoon on Facebook — especially when one is still on one’s honeymoon. Give it at least a year, I say. These are private moments. The world does not need to think about the few tourist traps you’re squeezing in in between bouts of newlywed conjugal bliss. (Nor does it need to think about the little conjugal bliss occurring on your honeymoon due to all the tourist traps you’re squeezing in.) Leave a little mystery.