Where can i get advice on where to find a career im 30 and my children are now at school full time?

I need a job im skint i was helping my boyfriend run his buisness for 6 years now if we work together anymore i think we will split up we both decided me getting a job would be good for us but all i ever done for him is drive a van do the vat and print off estimates now what do i do and what job shall i go into that i will be happy with Please help