I am a SAHM who is doing an Open Uni degree, setting up a small web based business from home as I can't get a job since youngest DS went to school as well as doing volunteer stuff at local organisation for over a year.
So the fact I don't have a 9-5 salaried job does not make me a thick dopey twat! I was never 'unstimulated' when I was a SAHM with young children either! OMG I read, engaged myself with the world amongst other things.
So I don't need to go out to a job for more 'mental' stumulation as I have plenty. I don't need a job for this or to be defined as relevant to society, I am as me as I am now!