Crazy to give up a GEP place?

I've had to take a break from my GEP place for financial reasons. I'm 41 and returned to my career to tide over my family. The issue I'm facing is that having had a few years out - I'm doubting my stamina levels. I'm a mum to 2 small kids and am concerned about doing foundation years in my mid 40s. I've always wanted to be a doctor and it took a lot to get in. I'm gutted to be having doubts now but have noticed that my energy levels have plummeted in the last 2 years. Tiredness seems to get to me in a way I've never noticed before. I'm starting to worry about giving up a well-paid career ( I earn more than hospital consultants) and possibly finding out that I did this too late in life, having put my family through my studies (time apart from kids, family-life geared around me and the course/job and a financial hit.) And how likely is that I'd get a deanery close to home? Or would I need to move my family? I've had mixed views on this from people. Can any mature student with young family advise? How tricky are the shifts and have I just left it too late?
Source: New Media Medicine - Category: Universities & Medical Training Authors: Tags: Mature Students Source Type: forums