It's actually considered a gallant gesture in most cases... helping someone on the stairs when you're afraid they might slip.
Only problem? You're not supposed to touch the Queen. Even on the elbow, to keep her steady. It's a royal no-no.
Protocol over chivalry? A lot of us don't understand why it's even an issue--
This is not the first time royal protocol has been breached... Michelle Obama, LeBron James and Tom Hiddleston also breached protocol. Find out more here--
Oh, and while we're talking about the Queen... here are a couple of things you might not have seen--