I guess that you will have to let go of attachment to money. In some ways I am in a similar situtaion. I carry out work that I do not really enjoy and fail to pursue that which will fulfil me. I am trying to change that and I feel I am at a pivotal point. When I am dying I hope not to have regrets. If not now …when? no time will ever be good and becoming truely yourself is priceless.
I have been self employed for 17 years and money is a funny thing it appears when you need it. Some years I have made very little and other years plenty but I strive to have the same quality of life in every year. I never really have money but always have enough.