Why am I so happy?

It’s a big, bold call and frankly I’m making it.  

Dance classes – in particular, cardio based dance-fitness classes, will make you happy. They will make you happy when you are sad. They will make you happy when the last thing you feel like doing is putting on Lycra. They will make you happy when you feel like you could scream your throat blood-red raw.

Sometimes all you want to d...