It's funny how upset some get over the phrase when in fact they really do need to calm down. You need to use some roundabout term for it, "chill", even though it means the same thing.
Who and where has made this recommendation? I'd imagine there's a bazillion different takes on it. Where I live most consumer agencies and the sort say it's not necessary but don't recommend against it.
I wonder if people have shittier relatives or live in a shittier town hah