Would what you retrain in need to be a high paying job?
The only reason I ask, is that I went from an agricultural and science background, to study level three early years childcare to work in a preschool.
The money isn't great at all, but I love the job, the work and the reward of helping little minds grow. I didn't do it for the money.
I was working three days a week, in at 8.45am and home by 4pm. Yes there is work to do at home, but nothing compared to teachers.
I got to drop off my DD to school everyday as the preschool was attached and drop off/pick up the other two days.
Also holidays off with my beautiful girlie, I love it.
I took an adult evening course that lasted a year, but completed it in eight months.
I have just left to go on mat leave, but I am also completing two online teaching assistant courses whilst I'm off. Just to keep me ticking over, and to gain background knowledge as I think I would like to be a TA, but not a teacher.
I think you have to think about what you want from something new, is it a challenge, money, easier/more hours, career prospects, something to keep you ticking over.
Ps, I'm now 32, with DS due in December.