Silly but also serious question here!
It occurred to me that in the life of a mum living with depression / anxiety you meet lots of people at playgroups, friends for playdate etc
And they all start off with "how are you?"
I just don't know how to answer! I always say "yeah fine" but lately I've not been well and so that answer is both untrue and also means that I feel alone as no-one really knows how I'm feeling. 
But on the other hand do people really want to know? If I answer "well feeling terrible, everything is sh#t" perhaps that is a bit of a like too much information some of the time and instead I should just go through the motions, like "yeah not bad.."
So today a met a close friend at a playgroup and answered "yeah ok" then I sat in silence as I had nothing to add to that.